215567120

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 515592000

約数和(自身を除く): 300024880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 109, 118, 218, 236, 295, 419, 436, 472, 545, 590, 838, 872, 944, 1090, 1180, 1676, 1744, 2095, 2180, 2360, 3352, 4190, 4360, 4720, 6431, 6704, 8380, 8720, 12862, 16760, 24721, 25724, 32155, 33520, 45671, 49442, 51448, 64310, 91342, 98884, 102896, 123605, 128620, 182684, 197768, 228355, 247210, 257240, 365368, 395536, 456710, 494420, 514480, 730736, 913420, 988840, 1826840, 1977680, 2694589, 3653680, 5389178, 10778356, 13472945, 21556712, 26945890, 43113424, 53891780, 107783560, 215567120]

約数ペア:

[(1, 215567120), (2, 107783560), (4, 53891780), (5, 43113424), (8, 26945890), (10, 21556712), (16, 13472945), (20, 10778356), (40, 5389178), (59, 3653680), (80, 2694589), (109, 1977680), (118, 1826840), (218, 988840), (236, 913420), (295, 730736), (419, 514480), (436, 494420), (472, 456710), (545, 395536), (590, 365368), (838, 257240), (872, 247210), (944, 228355), (1090, 197768), (1180, 182684), (1676, 128620), (1744, 123605), (2095, 102896), (2180, 98884), (2360, 91342), (3352, 64310), (4190, 51448), (4360, 49442), (4720, 45671), (6431, 33520), (6704, 32155), (8380, 25724), (8720, 24721), (12862, 16760)]