272003920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1637}}^1$

素因数の和:1748

約数の個数: 80

約数和(自身を含む): 662957568

約数和(自身を除く): 390953648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 1072, 1240, 1340, 1637, 2077, 2480, 2680, 3274, 4154, 5360, 6548, 8185, 8308, 10385, 13096, 16370, 16616, 20770, 26192, 32740, 33232, 41540, 50747, 65480, 83080, 101494, 109679, 130960, 166160, 202988, 219358, 253735, 405976, 438716, 507470, 548395, 811952, 877432, 1014940, 1096790, 1754864, 2029880, 2193580, 3400049, 4059760, 4387160, 6800098, 8774320, 13600196, 17000245, 27200392, 34000490, 54400784, 68000980, 136001960, 272003920]

約数ペア:

[(1, 272003920), (2, 136001960), (4, 68000980), (5, 54400784), (8, 34000490), (10, 27200392), (16, 17000245), (20, 13600196), (31, 8774320), (40, 6800098), (62, 4387160), (67, 4059760), (80, 3400049), (124, 2193580), (134, 2029880), (155, 1754864), (248, 1096790), (268, 1014940), (310, 877432), (335, 811952), (496, 548395), (536, 507470), (620, 438716), (670, 405976), (1072, 253735), (1240, 219358), (1340, 202988), (1637, 166160), (2077, 130960), (2480, 109679), (2680, 101494), (3274, 83080), (4154, 65480), (5360, 50747), (6548, 41540), (8185, 33232), (8308, 32740), (10385, 26192), (13096, 20770), (16370, 16616)]