28193520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1582

約数の個数: 80

約数和(自身を含む): 88565760

約数和(自身を除く): 60372240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1487, 1580, 1896, 2370, 2974, 3160, 3792, 4461, 4740, 5948, 6320, 7435, 8922, 9480, 11896, 14870, 17844, 18960, 22305, 23792, 29740, 35688, 44610, 59480, 71376, 89220, 117473, 118960, 178440, 234946, 352419, 356880, 469892, 587365, 704838, 939784, 1174730, 1409676, 1762095, 1879568, 2349460, 2819352, 3524190, 4698920, 5638704, 7048380, 9397840, 14096760, 28193520]

約数ペア:

[(1, 28193520), (2, 14096760), (3, 9397840), (4, 7048380), (5, 5638704), (6, 4698920), (8, 3524190), (10, 2819352), (12, 2349460), (15, 1879568), (16, 1762095), (20, 1409676), (24, 1174730), (30, 939784), (40, 704838), (48, 587365), (60, 469892), (79, 356880), (80, 352419), (120, 234946), (158, 178440), (237, 118960), (240, 117473), (316, 89220), (395, 71376), (474, 59480), (632, 44610), (790, 35688), (948, 29740), (1185, 23792), (1264, 22305), (1487, 18960), (1580, 17844), (1896, 14870), (2370, 11896), (2974, 9480), (3160, 8922), (3792, 7435), (4461, 6320), (4740, 5948)]