428459640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 256

約数和(自身を含む): 1560453120

約数和(自身を除く): 1131993480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 67, 69, 70, 84, 92, 105, 115, 120, 134, 138, 140, 161, 168, 184, 201, 210, 230, 268, 276, 280, 322, 331, 335, 345, 402, 420, 460, 469, 483, 536, 552, 644, 662, 670, 690, 804, 805, 840, 920, 938, 966, 993, 1005, 1288, 1324, 1340, 1380, 1407, 1541, 1608, 1610, 1655, 1876, 1932, 1986, 2010, 2317, 2345, 2415, 2648, 2680, 2760, 2814, 3082, 3220, 3310, 3752, 3864, 3972, 4020, 4623, 4634, 4690, 4830, 4965, 5628, 6164, 6440, 6620, 6951, 7035, 7613, 7705, 7944, 8040, 9246, 9268, 9380, 9660, 9930, 10787, 11256, 11585, 12328, 13240, 13902, 14070, 15226, 15410, 18492, 18536, 18760, 19320, 19860, 21574, 22177, 22839, 23115, 23170, 27804, 28140, 30452, 30820, 32361, 34755, 36984, 38065, 39720, 43148, 44354, 45678, 46230, 46340, 53291, 53935, 55608, 56280, 60904, 61640, 64722, 66531, 69510, 76130, 86296, 88708, 91356, 92460, 92680, 106582, 107870, 110885, 114195, 129444, 133062, 139020, 152260, 155239, 159873, 161805, 177416, 182712, 184920, 213164, 215740, 221770, 228390, 258888, 266124, 266455, 278040, 304520, 310478, 319746, 323610, 332655, 426328, 431480, 443540, 456780, 465717, 510071, 532248, 532910, 620956, 639492, 647220, 665310, 776195, 799365, 887080, 913560, 931434, 1020142, 1065820, 1241912, 1278984, 1294440, 1330620, 1530213, 1552390, 1598730, 1862868, 2040284, 2131640, 2328585, 2550355, 2661240, 3060426, 3104780, 3197460, 3570497, 3725736, 4080568, 4657170, 5100710, 6120852, 6209560, 6394920, 7140994, 7651065, 9314340, 10201420, 10711491, 12241704, 14281988, 15302130, 17852485, 18628680, 20402840, 21422982, 28563976, 30604260, 35704970, 42845964, 53557455, 61208520, 71409940, 85691928, 107114910, 142819880, 214229820, 428459640]

約数ペア:

[(1, 428459640), (2, 214229820), (3, 142819880), (4, 107114910), (5, 85691928), (6, 71409940), (7, 61208520), (8, 53557455), (10, 42845964), (12, 35704970), (14, 30604260), (15, 28563976), (20, 21422982), (21, 20402840), (23, 18628680), (24, 17852485), (28, 15302130), (30, 14281988), (35, 12241704), (40, 10711491), (42, 10201420), (46, 9314340), (56, 7651065), (60, 7140994), (67, 6394920), (69, 6209560), (70, 6120852), (84, 5100710), (92, 4657170), (105, 4080568), (115, 3725736), (120, 3570497), (134, 3197460), (138, 3104780), (140, 3060426), (161, 2661240), (168, 2550355), (184, 2328585), (201, 2131640), (210, 2040284), (230, 1862868), (268, 1598730), (276, 1552390), (280, 1530213), (322, 1330620), (331, 1294440), (335, 1278984), (345, 1241912), (402, 1065820), (420, 1020142), (460, 931434), (469, 913560), (483, 887080), (536, 799365), (552, 776195), (644, 665310), (662, 647220), (670, 639492), (690, 620956), (804, 532910), (805, 532248), (840, 510071), (920, 465717), (938, 456780), (966, 443540), (993, 431480), (1005, 426328), (1288, 332655), (1324, 323610), (1340, 319746), (1380, 310478), (1407, 304520), (1541, 278040), (1608, 266455), (1610, 266124), (1655, 258888), (1876, 228390), (1932, 221770), (1986, 215740), (2010, 213164), (2317, 184920), (2345, 182712), (2415, 177416), (2648, 161805), (2680, 159873), (2760, 155239), (2814, 152260), (3082, 139020), (3220, 133062), (3310, 129444), (3752, 114195), (3864, 110885), (3972, 107870), (4020, 106582), (4623, 92680), (4634, 92460), (4690, 91356), (4830, 88708), (4965, 86296), (5628, 76130), (6164, 69510), (6440, 66531), (6620, 64722), (6951, 61640), (7035, 60904), (7613, 56280), (7705, 55608), (7944, 53935), (8040, 53291), (9246, 46340), (9268, 46230), (9380, 45678), (9660, 44354), (9930, 43148), (10787, 39720), (11256, 38065), (11585, 36984), (12328, 34755), (13240, 32361), (13902, 30820), (14070, 30452), (15226, 28140), (15410, 27804), (18492, 23170), (18536, 23115), (18760, 22839), (19320, 22177), (19860, 21574)]