15690420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 48408360

約数和(自身を除く): 32717940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1429, 1830, 2196, 2745, 2858, 3660, 4287, 5490, 5716, 7145, 8574, 10980, 12861, 14290, 17148, 21435, 25722, 28580, 42870, 51444, 64305, 85740, 87169, 128610, 174338, 257220, 261507, 348676, 435845, 523014, 784521, 871690, 1046028, 1307535, 1569042, 1743380, 2615070, 3138084, 3922605, 5230140, 7845210, 15690420]

約数ペア:

[(1, 15690420), (2, 7845210), (3, 5230140), (4, 3922605), (5, 3138084), (6, 2615070), (9, 1743380), (10, 1569042), (12, 1307535), (15, 1046028), (18, 871690), (20, 784521), (30, 523014), (36, 435845), (45, 348676), (60, 261507), (61, 257220), (90, 174338), (122, 128610), (180, 87169), (183, 85740), (244, 64305), (305, 51444), (366, 42870), (549, 28580), (610, 25722), (732, 21435), (915, 17148), (1098, 14290), (1220, 12861), (1429, 10980), (1830, 8574), (2196, 7145), (2745, 5716), (2858, 5490), (3660, 4287)]