2389439640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{123677}}^1$

素因数の和:123721

約数の個数: 128

約数和(自身を含む): 8548623360

約数和(自身を除く): 6159183720

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, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 123677, 247354, 371031, 494708, 618385, 742062, 865739, 989416, 1236770, 1484124, 1731478, 1855155, 2473540, 2597217, 2844571, 2968248, 3462956, 3710310, 4328695, 4947080, 5194434, 5689142, 6925912, 7420620, 8533713, 8657390, 10388868, 11378284, 12986085, 14222855, 14841240, 17067426, 17314780, 19911997, 20777736, 22756568, 25972170, 28445710, 34134852, 34629560, 39823994, 42668565, 51944340, 56891420, 59735991, 68269704, 79647988, 85337130, 99559985, 103888680, 113782840, 119471982, 159295976, 170674260, 199119970, 238943964, 298679955, 341348520, 398239940, 477887928, 597359910, 796479880, 1194719820, 2389439640]

約数ペア:

[(1, 2389439640), (2, 1194719820), (3, 796479880), (4, 597359910), (5, 477887928), (6, 398239940), (7, 341348520), (8, 298679955), (10, 238943964), (12, 199119970), (14, 170674260), (15, 159295976), (20, 119471982), (21, 113782840), (23, 103888680), (24, 99559985), (28, 85337130), (30, 79647988), (35, 68269704), (40, 59735991), (42, 56891420), (46, 51944340), (56, 42668565), (60, 39823994), (69, 34629560), (70, 34134852), (84, 28445710), (92, 25972170), (105, 22756568), (115, 20777736), (120, 19911997), (138, 17314780), (140, 17067426), (161, 14841240), (168, 14222855), (184, 12986085), (210, 11378284), (230, 10388868), (276, 8657390), (280, 8533713), (322, 7420620), (345, 6925912), (420, 5689142), (460, 5194434), (483, 4947080), (552, 4328695), (644, 3710310), (690, 3462956), (805, 2968248), (840, 2844571), (920, 2597217), (966, 2473540), (1288, 1855155), (1380, 1731478), (1610, 1484124), (1932, 1236770), (2415, 989416), (2760, 865739), (3220, 742062), (3864, 618385), (4830, 494708), (6440, 371031), (9660, 247354), (19320, 123677)]