1809864720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:822

約数の個数: 240

約数和(自身を含む): 6295311360

約数和(自身を除く): 4485446640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 79, 80, 90, 94, 120, 141, 144, 158, 180, 188, 235, 237, 240, 282, 316, 360, 376, 395, 423, 470, 474, 564, 632, 677, 705, 711, 720, 752, 790, 846, 940, 948, 1128, 1185, 1264, 1354, 1410, 1422, 1580, 1692, 1880, 1896, 2031, 2115, 2256, 2370, 2708, 2820, 2844, 3160, 3384, 3385, 3555, 3713, 3760, 3792, 4062, 4230, 4740, 5416, 5640, 5688, 6093, 6320, 6768, 6770, 7110, 7426, 8124, 8460, 9480, 10155, 10832, 11139, 11280, 11376, 12186, 13540, 14220, 14852, 16248, 16920, 18565, 18960, 20310, 22278, 24372, 27080, 28440, 29704, 30465, 31819, 32496, 33417, 33840, 37130, 40620, 44556, 48744, 53483, 54160, 55695, 56880, 59408, 60930, 63638, 66834, 74260, 81240, 89112, 95457, 97488, 106966, 111390, 121860, 127276, 133668, 148520, 159095, 160449, 162480, 167085, 178224, 190914, 213932, 222780, 243720, 254552, 267336, 267415, 286371, 297040, 318190, 320898, 334170, 381828, 427864, 445560, 477285, 481347, 487440, 509104, 534672, 534830, 572742, 636380, 641796, 668340, 763656, 802245, 855728, 891120, 954570, 962694, 1069660, 1145484, 1272760, 1283592, 1336680, 1431855, 1527312, 1604490, 1909140, 1925388, 2139320, 2290968, 2406735, 2513701, 2545520, 2567184, 2673360, 2863710, 3208980, 3818280, 3850776, 4278640, 4581936, 4813470, 5027402, 5727420, 6417960, 7541103, 7636560, 7701552, 9626940, 10054804, 11454840, 12568505, 12835920, 15082206, 19253880, 20109608, 22623309, 22909680, 25137010, 30164412, 37705515, 38507760, 40219216, 45246618, 50274020, 60328824, 75411030, 90493236, 100548040, 113116545, 120657648, 150822060, 180986472, 201096080, 226233090, 301644120, 361972944, 452466180, 603288240, 904932360, 1809864720]

約数ペア:

[(1, 1809864720), (2, 904932360), (3, 603288240), (4, 452466180), (5, 361972944), (6, 301644120), (8, 226233090), (9, 201096080), (10, 180986472), (12, 150822060), (15, 120657648), (16, 113116545), (18, 100548040), (20, 90493236), (24, 75411030), (30, 60328824), (36, 50274020), (40, 45246618), (45, 40219216), (47, 38507760), (48, 37705515), (60, 30164412), (72, 25137010), (79, 22909680), (80, 22623309), (90, 20109608), (94, 19253880), (120, 15082206), (141, 12835920), (144, 12568505), (158, 11454840), (180, 10054804), (188, 9626940), (235, 7701552), (237, 7636560), (240, 7541103), (282, 6417960), (316, 5727420), (360, 5027402), (376, 4813470), (395, 4581936), (423, 4278640), (470, 3850776), (474, 3818280), (564, 3208980), (632, 2863710), (677, 2673360), (705, 2567184), (711, 2545520), (720, 2513701), (752, 2406735), (790, 2290968), (846, 2139320), (940, 1925388), (948, 1909140), (1128, 1604490), (1185, 1527312), (1264, 1431855), (1354, 1336680), (1410, 1283592), (1422, 1272760), (1580, 1145484), (1692, 1069660), (1880, 962694), (1896, 954570), (2031, 891120), (2115, 855728), (2256, 802245), (2370, 763656), (2708, 668340), (2820, 641796), (2844, 636380), (3160, 572742), (3384, 534830), (3385, 534672), (3555, 509104), (3713, 487440), (3760, 481347), (3792, 477285), (4062, 445560), (4230, 427864), (4740, 381828), (5416, 334170), (5640, 320898), (5688, 318190), (6093, 297040), (6320, 286371), (6768, 267415), (6770, 267336), (7110, 254552), (7426, 243720), (8124, 222780), (8460, 213932), (9480, 190914), (10155, 178224), (10832, 167085), (11139, 162480), (11280, 160449), (11376, 159095), (12186, 148520), (13540, 133668), (14220, 127276), (14852, 121860), (16248, 111390), (16920, 106966), (18565, 97488), (18960, 95457), (20310, 89112), (22278, 81240), (24372, 74260), (27080, 66834), (28440, 63638), (29704, 60930), (30465, 59408), (31819, 56880), (32496, 55695), (33417, 54160), (33840, 53483), (37130, 48744), (40620, 44556)]