31423770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1660

約数の個数: 96

約数和(自身を含む): 96445440

約数和(自身を除く): 65021670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1609, 1953, 2170, 2790, 3218, 3255, 3906, 4827, 6510, 8045, 9654, 9765, 11263, 14481, 16090, 19530, 22526, 24135, 28962, 33789, 48270, 49879, 56315, 67578, 72405, 99758, 101367, 112630, 144810, 149637, 168945, 202734, 249395, 299274, 337890, 349153, 448911, 498790, 506835, 698306, 748185, 897822, 1013670, 1047459, 1496370, 1745765, 2094918, 2244555, 3142377, 3491530, 4489110, 5237295, 6284754, 10474590, 15711885, 31423770]

約数ペア:

[(1, 31423770), (2, 15711885), (3, 10474590), (5, 6284754), (6, 5237295), (7, 4489110), (9, 3491530), (10, 3142377), (14, 2244555), (15, 2094918), (18, 1745765), (21, 1496370), (30, 1047459), (31, 1013670), (35, 897822), (42, 748185), (45, 698306), (62, 506835), (63, 498790), (70, 448911), (90, 349153), (93, 337890), (105, 299274), (126, 249395), (155, 202734), (186, 168945), (210, 149637), (217, 144810), (279, 112630), (310, 101367), (315, 99758), (434, 72405), (465, 67578), (558, 56315), (630, 49879), (651, 48270), (930, 33789), (1085, 28962), (1302, 24135), (1395, 22526), (1609, 19530), (1953, 16090), (2170, 14481), (2790, 11263), (3218, 9765), (3255, 9654), (3906, 8045), (4827, 6510)]