320973380

素因数分解:

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

素因数の和:5749

約数の個数: 96

約数和(自身を含む): 856504320

約数和(自身を除く): 535530940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 4030, 4340, 5642, 5689, 8060, 11284, 11378, 14105, 22756, 28210, 28445, 39823, 56420, 56890, 73957, 79646, 113780, 147914, 159292, 176359, 199115, 295828, 352718, 369785, 398230, 517699, 705436, 739570, 796460, 881795, 1035398, 1234513, 1479140, 1763590, 2070796, 2292667, 2469026, 2588495, 3527180, 4585334, 4938052, 5176990, 6172565, 9170668, 10353980, 11463335, 12345130, 16048669, 22926670, 24690260, 32097338, 45853340, 64194676, 80243345, 160486690, 320973380]

約数ペア:

[(1, 320973380), (2, 160486690), (4, 80243345), (5, 64194676), (7, 45853340), (10, 32097338), (13, 24690260), (14, 22926670), (20, 16048669), (26, 12345130), (28, 11463335), (31, 10353980), (35, 9170668), (52, 6172565), (62, 5176990), (65, 4938052), (70, 4585334), (91, 3527180), (124, 2588495), (130, 2469026), (140, 2292667), (155, 2070796), (182, 1763590), (217, 1479140), (260, 1234513), (310, 1035398), (364, 881795), (403, 796460), (434, 739570), (455, 705436), (620, 517699), (806, 398230), (868, 369785), (910, 352718), (1085, 295828), (1612, 199115), (1820, 176359), (2015, 159292), (2170, 147914), (2821, 113780), (4030, 79646), (4340, 73957), (5642, 56890), (5689, 56420), (8060, 39823), (11284, 28445), (11378, 28210), (14105, 22756)]