31047440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 78624432

約数和(自身を除く): 47576992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 617, 629, 680, 740, 1234, 1258, 1360, 1480, 2468, 2516, 2960, 3085, 3145, 4936, 5032, 6170, 6290, 9872, 10064, 10489, 12340, 12580, 20978, 22829, 24680, 25160, 41956, 45658, 49360, 50320, 52445, 83912, 91316, 104890, 114145, 167824, 182632, 209780, 228290, 365264, 388093, 419560, 456580, 776186, 839120, 913160, 1552372, 1826320, 1940465, 3104744, 3880930, 6209488, 7761860, 15523720, 31047440]

約数ペア:

[(1, 31047440), (2, 15523720), (4, 7761860), (5, 6209488), (8, 3880930), (10, 3104744), (16, 1940465), (17, 1826320), (20, 1552372), (34, 913160), (37, 839120), (40, 776186), (68, 456580), (74, 419560), (80, 388093), (85, 365264), (136, 228290), (148, 209780), (170, 182632), (185, 167824), (272, 114145), (296, 104890), (340, 91316), (370, 83912), (592, 52445), (617, 50320), (629, 49360), (680, 45658), (740, 41956), (1234, 25160), (1258, 24680), (1360, 22829), (1480, 20978), (2468, 12580), (2516, 12340), (2960, 10489), (3085, 10064), (3145, 9872), (4936, 6290), (5032, 6170)]