641946760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5689}}^1$

素因数の和:5751

約数の個数: 128

約数和(自身を含む): 1835366400

約数和(自身を除く): 1193419640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 5689, 8060, 8680, 11284, 11378, 14105, 16120, 22568, 22756, 28210, 28445, 39823, 45512, 56420, 56890, 73957, 79646, 112840, 113780, 147914, 159292, 176359, 199115, 227560, 295828, 318584, 352718, 369785, 398230, 517699, 591656, 705436, 739570, 796460, 881795, 1035398, 1234513, 1410872, 1479140, 1592920, 1763590, 2070796, 2292667, 2469026, 2588495, 2958280, 3527180, 4141592, 4585334, 4938052, 5176990, 6172565, 7054360, 9170668, 9876104, 10353980, 11463335, 12345130, 16048669, 18341336, 20707960, 22926670, 24690260, 32097338, 45853340, 49380520, 64194676, 80243345, 91706680, 128389352, 160486690, 320973380, 641946760]

約数ペア:

[(1, 641946760), (2, 320973380), (4, 160486690), (5, 128389352), (7, 91706680), (8, 80243345), (10, 64194676), (13, 49380520), (14, 45853340), (20, 32097338), (26, 24690260), (28, 22926670), (31, 20707960), (35, 18341336), (40, 16048669), (52, 12345130), (56, 11463335), (62, 10353980), (65, 9876104), (70, 9170668), (91, 7054360), (104, 6172565), (124, 5176990), (130, 4938052), (140, 4585334), (155, 4141592), (182, 3527180), (217, 2958280), (248, 2588495), (260, 2469026), (280, 2292667), (310, 2070796), (364, 1763590), (403, 1592920), (434, 1479140), (455, 1410872), (520, 1234513), (620, 1035398), (728, 881795), (806, 796460), (868, 739570), (910, 705436), (1085, 591656), (1240, 517699), (1612, 398230), (1736, 369785), (1820, 352718), (2015, 318584), (2170, 295828), (2821, 227560), (3224, 199115), (3640, 176359), (4030, 159292), (4340, 147914), (5642, 113780), (5689, 112840), (8060, 79646), (8680, 73957), (11284, 56890), (11378, 56420), (14105, 45512), (16120, 39823), (22568, 28445), (22756, 28210)]