21948120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1545

約数の個数: 96

約数和(自身を含む): 73120320

約数和(自身を除く): 51172200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1487, 1640, 1845, 2460, 2952, 2974, 3690, 4461, 4920, 5948, 7380, 7435, 8922, 11896, 13383, 14760, 14870, 17844, 22305, 26766, 29740, 35688, 44610, 53532, 59480, 60967, 66915, 89220, 107064, 121934, 133830, 178440, 182901, 243868, 267660, 304835, 365802, 487736, 535320, 548703, 609670, 731604, 914505, 1097406, 1219340, 1463208, 1829010, 2194812, 2438680, 2743515, 3658020, 4389624, 5487030, 7316040, 10974060, 21948120]

約数ペア:

[(1, 21948120), (2, 10974060), (3, 7316040), (4, 5487030), (5, 4389624), (6, 3658020), (8, 2743515), (9, 2438680), (10, 2194812), (12, 1829010), (15, 1463208), (18, 1219340), (20, 1097406), (24, 914505), (30, 731604), (36, 609670), (40, 548703), (41, 535320), (45, 487736), (60, 365802), (72, 304835), (82, 267660), (90, 243868), (120, 182901), (123, 178440), (164, 133830), (180, 121934), (205, 107064), (246, 89220), (328, 66915), (360, 60967), (369, 59480), (410, 53532), (492, 44610), (615, 35688), (738, 29740), (820, 26766), (984, 22305), (1230, 17844), (1476, 14870), (1487, 14760), (1640, 13383), (1845, 11896), (2460, 8922), (2952, 7435), (2974, 7380), (3690, 5948), (4461, 4920)]