764691880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{13121}}^1$

素因数の和:13210

約数の個数: 64

約数和(自身を含む): 1813985280

約数和(自身を除く): 1049293400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 5828, 7285, 11656, 13121, 14570, 26242, 29140, 52484, 58280, 65605, 104968, 131210, 262420, 406751, 524840, 616687, 813502, 1233374, 1627004, 2033755, 2466748, 3083435, 3254008, 4067510, 4933496, 6166870, 8135020, 12333740, 16270040, 19117297, 24667480, 38234594, 76469188, 95586485, 152938376, 191172970, 382345940, 764691880]

約数ペア:

[(1, 764691880), (2, 382345940), (4, 191172970), (5, 152938376), (8, 95586485), (10, 76469188), (20, 38234594), (31, 24667480), (40, 19117297), (47, 16270040), (62, 12333740), (94, 8135020), (124, 6166870), (155, 4933496), (188, 4067510), (235, 3254008), (248, 3083435), (310, 2466748), (376, 2033755), (470, 1627004), (620, 1233374), (940, 813502), (1240, 616687), (1457, 524840), (1880, 406751), (2914, 262420), (5828, 131210), (7285, 104968), (11656, 65605), (13121, 58280), (14570, 52484), (26242, 29140)]