31148080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 78878880

約数和(自身を除く): 47730800

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, 619, 629, 680, 740, 1238, 1258, 1360, 1480, 2476, 2516, 2960, 3095, 3145, 4952, 5032, 6190, 6290, 9904, 10064, 10523, 12380, 12580, 21046, 22903, 24760, 25160, 42092, 45806, 49520, 50320, 52615, 84184, 91612, 105230, 114515, 168368, 183224, 210460, 229030, 366448, 389351, 420920, 458060, 778702, 841840, 916120, 1557404, 1832240, 1946755, 3114808, 3893510, 6229616, 7787020, 15574040, 31148080]

約数ペア:

[(1, 31148080), (2, 15574040), (4, 7787020), (5, 6229616), (8, 3893510), (10, 3114808), (16, 1946755), (17, 1832240), (20, 1557404), (34, 916120), (37, 841840), (40, 778702), (68, 458060), (74, 420920), (80, 389351), (85, 366448), (136, 229030), (148, 210460), (170, 183224), (185, 168368), (272, 114515), (296, 105230), (340, 91612), (370, 84184), (592, 52615), (619, 50320), (629, 49520), (680, 45806), (740, 42092), (1238, 25160), (1258, 24760), (1360, 22903), (1480, 21046), (2476, 12580), (2516, 12380), (2960, 10523), (3095, 10064), (3145, 9904), (4952, 6290), (5032, 6190)]