640052280

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 384

約数和(自身を含む): 2578867200

約数和(自身を除く): 1938814920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 81, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 162, 168, 180, 184, 189, 207, 210, 216, 230, 243, 252, 270, 276, 280, 315, 322, 324, 345, 360, 378, 405, 409, 414, 420, 460, 483, 486, 504, 540, 552, 567, 621, 630, 644, 648, 690, 756, 805, 810, 818, 828, 840, 920, 945, 966, 972, 1035, 1080, 1134, 1215, 1227, 1242, 1260, 1288, 1380, 1449, 1512, 1610, 1620, 1636, 1656, 1701, 1863, 1890, 1932, 1944, 2045, 2070, 2268, 2415, 2430, 2454, 2484, 2520, 2760, 2835, 2863, 2898, 3105, 3220, 3240, 3272, 3402, 3681, 3726, 3780, 3864, 4090, 4140, 4347, 4536, 4830, 4860, 4908, 4968, 5589, 5670, 5726, 5796, 6135, 6210, 6440, 6804, 7245, 7362, 7452, 7560, 8180, 8280, 8505, 8589, 8694, 9315, 9407, 9660, 9720, 9816, 11043, 11178, 11340, 11452, 11592, 12270, 12420, 13041, 13608, 14315, 14490, 14724, 14904, 16360, 17010, 17178, 17388, 18405, 18630, 18814, 19320, 21735, 22086, 22356, 22680, 22904, 24540, 24840, 25767, 26082, 27945, 28221, 28630, 28980, 29448, 33129, 34020, 34356, 34776, 36810, 37260, 37628, 39123, 42945, 43470, 44172, 44712, 47035, 49080, 51534, 52164, 55215, 55890, 56442, 57260, 57960, 65205, 65849, 66258, 68040, 68712, 73620, 74520, 75256, 77301, 78246, 84663, 85890, 86940, 88344, 94070, 99387, 103068, 104328, 110430, 111780, 112884, 114520, 128835, 130410, 131698, 132516, 141105, 147240, 154602, 156492, 165645, 169326, 171780, 173880, 188140, 195615, 197547, 198774, 206136, 220860, 223560, 225768, 231903, 253989, 257670, 260820, 263396, 265032, 282210, 309204, 312984, 329245, 331290, 338652, 343560, 376280, 386505, 391230, 395094, 397548, 423315, 441720, 463806, 496935, 507978, 515340, 521640, 526792, 564420, 592641, 618408, 658490, 662580, 677304, 695709, 761967, 773010, 782460, 790188, 795096, 846630, 927612, 987735, 993870, 1015956, 1030680, 1128840, 1159515, 1185282, 1269945, 1316980, 1325160, 1391418, 1523934, 1546020, 1564920, 1580376, 1693260, 1777923, 1855224, 1975470, 1987740, 2031912, 2285901, 2319030, 2370564, 2539890, 2633960, 2782836, 2963205, 3047868, 3092040, 3386520, 3478545, 3555846, 3809835, 3950940, 3975480, 4571802, 4638060, 4741128, 5079780, 5333769, 5565672, 5926410, 6095736, 6957090, 7111692, 7619670, 7901880, 8889615, 9143604, 9276120, 10159560, 10667538, 11429505, 11852820, 13914180, 14223384, 15239340, 16001307, 17779230, 18287208, 21335076, 22859010, 23705640, 26668845, 27828360, 30478680, 32002614, 35558460, 42670152, 45718020, 53337690, 64005228, 71116920, 80006535, 91436040, 106675380, 128010456, 160013070, 213350760, 320026140, 640052280]

約数ペア:

[(1, 640052280), (2, 320026140), (3, 213350760), (4, 160013070), (5, 128010456), (6, 106675380), (7, 91436040), (8, 80006535), (9, 71116920), (10, 64005228), (12, 53337690), (14, 45718020), (15, 42670152), (18, 35558460), (20, 32002614), (21, 30478680), (23, 27828360), (24, 26668845), (27, 23705640), (28, 22859010), (30, 21335076), (35, 18287208), (36, 17779230), (40, 16001307), (42, 15239340), (45, 14223384), (46, 13914180), (54, 11852820), (56, 11429505), (60, 10667538), (63, 10159560), (69, 9276120), (70, 9143604), (72, 8889615), (81, 7901880), (84, 7619670), (90, 7111692), (92, 6957090), (105, 6095736), (108, 5926410), (115, 5565672), (120, 5333769), (126, 5079780), (135, 4741128), (138, 4638060), (140, 4571802), (161, 3975480), (162, 3950940), (168, 3809835), (180, 3555846), (184, 3478545), (189, 3386520), (207, 3092040), (210, 3047868), (216, 2963205), (230, 2782836), (243, 2633960), (252, 2539890), (270, 2370564), (276, 2319030), (280, 2285901), (315, 2031912), (322, 1987740), (324, 1975470), (345, 1855224), (360, 1777923), (378, 1693260), (405, 1580376), (409, 1564920), (414, 1546020), (420, 1523934), (460, 1391418), (483, 1325160), (486, 1316980), (504, 1269945), (540, 1185282), (552, 1159515), (567, 1128840), (621, 1030680), (630, 1015956), (644, 993870), (648, 987735), (690, 927612), (756, 846630), (805, 795096), (810, 790188), (818, 782460), (828, 773010), (840, 761967), (920, 695709), (945, 677304), (966, 662580), (972, 658490), (1035, 618408), (1080, 592641), (1134, 564420), (1215, 526792), (1227, 521640), (1242, 515340), (1260, 507978), (1288, 496935), (1380, 463806), (1449, 441720), (1512, 423315), (1610, 397548), (1620, 395094), (1636, 391230), (1656, 386505), (1701, 376280), (1863, 343560), (1890, 338652), (1932, 331290), (1944, 329245), (2045, 312984), (2070, 309204), (2268, 282210), (2415, 265032), (2430, 263396), (2454, 260820), (2484, 257670), (2520, 253989), (2760, 231903), (2835, 225768), (2863, 223560), (2898, 220860), (3105, 206136), (3220, 198774), (3240, 197547), (3272, 195615), (3402, 188140), (3681, 173880), (3726, 171780), (3780, 169326), (3864, 165645), (4090, 156492), (4140, 154602), (4347, 147240), (4536, 141105), (4830, 132516), (4860, 131698), (4908, 130410), (4968, 128835), (5589, 114520), (5670, 112884), (5726, 111780), (5796, 110430), (6135, 104328), (6210, 103068), (6440, 99387), (6804, 94070), (7245, 88344), (7362, 86940), (7452, 85890), (7560, 84663), (8180, 78246), (8280, 77301), (8505, 75256), (8589, 74520), (8694, 73620), (9315, 68712), (9407, 68040), (9660, 66258), (9720, 65849), (9816, 65205), (11043, 57960), (11178, 57260), (11340, 56442), (11452, 55890), (11592, 55215), (12270, 52164), (12420, 51534), (13041, 49080), (13608, 47035), (14315, 44712), (14490, 44172), (14724, 43470), (14904, 42945), (16360, 39123), (17010, 37628), (17178, 37260), (17388, 36810), (18405, 34776), (18630, 34356), (18814, 34020), (19320, 33129), (21735, 29448), (22086, 28980), (22356, 28630), (22680, 28221), (22904, 27945), (24540, 26082), (24840, 25767)]