31757360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 82360800

約数和(自身を除く): 50603440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1229, 1292, 1360, 1520, 1615, 2458, 2584, 3230, 4916, 5168, 6145, 6460, 9832, 12290, 12920, 19664, 20893, 23351, 24580, 25840, 41786, 46702, 49160, 83572, 93404, 98320, 104465, 116755, 167144, 186808, 208930, 233510, 334288, 373616, 396967, 417860, 467020, 793934, 835720, 934040, 1587868, 1671440, 1868080, 1984835, 3175736, 3969670, 6351472, 7939340, 15878680, 31757360]

約数ペア:

[(1, 31757360), (2, 15878680), (4, 7939340), (5, 6351472), (8, 3969670), (10, 3175736), (16, 1984835), (17, 1868080), (19, 1671440), (20, 1587868), (34, 934040), (38, 835720), (40, 793934), (68, 467020), (76, 417860), (80, 396967), (85, 373616), (95, 334288), (136, 233510), (152, 208930), (170, 186808), (190, 167144), (272, 116755), (304, 104465), (323, 98320), (340, 93404), (380, 83572), (646, 49160), (680, 46702), (760, 41786), (1229, 25840), (1292, 24580), (1360, 23351), (1520, 20893), (1615, 19664), (2458, 12920), (2584, 12290), (3230, 9832), (4916, 6460), (5168, 6145)]