29996560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 47141360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 383, 440, 445, 712, 766, 880, 890, 979, 1424, 1532, 1780, 1915, 1958, 3064, 3560, 3830, 3916, 4213, 4895, 6128, 7120, 7660, 7832, 8426, 9790, 15320, 15664, 16852, 19580, 21065, 30640, 33704, 34087, 39160, 42130, 67408, 68174, 78320, 84260, 136348, 168520, 170435, 272696, 337040, 340870, 374957, 545392, 681740, 749914, 1363480, 1499828, 1874785, 2726960, 2999656, 3749570, 5999312, 7499140, 14998280, 29996560]

約数ペア:

[(1, 29996560), (2, 14998280), (4, 7499140), (5, 5999312), (8, 3749570), (10, 2999656), (11, 2726960), (16, 1874785), (20, 1499828), (22, 1363480), (40, 749914), (44, 681740), (55, 545392), (80, 374957), (88, 340870), (89, 337040), (110, 272696), (176, 170435), (178, 168520), (220, 136348), (356, 84260), (383, 78320), (440, 68174), (445, 67408), (712, 42130), (766, 39160), (880, 34087), (890, 33704), (979, 30640), (1424, 21065), (1532, 19580), (1780, 16852), (1915, 15664), (1958, 15320), (3064, 9790), (3560, 8426), (3830, 7832), (3916, 7660), (4213, 7120), (4895, 6128)]