2021822040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{23831}}^1$

素因数の和:23953

約数の個数: 128

約数和(自身を含む): 7000888320

約数和(自身を除く): 4979066280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2424, 2828, 3030, 3535, 4040, 4242, 5656, 6060, 7070, 8484, 10605, 12120, 14140, 16968, 21210, 23831, 28280, 42420, 47662, 71493, 84840, 95324, 119155, 142986, 166817, 190648, 238310, 285972, 333634, 357465, 476620, 500451, 571944, 667268, 714930, 834085, 953240, 1000902, 1334536, 1429860, 1668170, 2001804, 2406931, 2502255, 2859720, 3336340, 4003608, 4813862, 5004510, 6672680, 7220793, 9627724, 10009020, 12034655, 14441586, 16848517, 19255448, 20018040, 24069310, 28883172, 33697034, 36103965, 48138620, 50545551, 57766344, 67394068, 72207930, 84242585, 96277240, 101091102, 134788136, 144415860, 168485170, 202182204, 252727755, 288831720, 336970340, 404364408, 505455510, 673940680, 1010911020, 2021822040]

約数ペア:

[(1, 2021822040), (2, 1010911020), (3, 673940680), (4, 505455510), (5, 404364408), (6, 336970340), (7, 288831720), (8, 252727755), (10, 202182204), (12, 168485170), (14, 144415860), (15, 134788136), (20, 101091102), (21, 96277240), (24, 84242585), (28, 72207930), (30, 67394068), (35, 57766344), (40, 50545551), (42, 48138620), (56, 36103965), (60, 33697034), (70, 28883172), (84, 24069310), (101, 20018040), (105, 19255448), (120, 16848517), (140, 14441586), (168, 12034655), (202, 10009020), (210, 9627724), (280, 7220793), (303, 6672680), (404, 5004510), (420, 4813862), (505, 4003608), (606, 3336340), (707, 2859720), (808, 2502255), (840, 2406931), (1010, 2001804), (1212, 1668170), (1414, 1429860), (1515, 1334536), (2020, 1000902), (2121, 953240), (2424, 834085), (2828, 714930), (3030, 667268), (3535, 571944), (4040, 500451), (4242, 476620), (5656, 357465), (6060, 333634), (7070, 285972), (8484, 238310), (10605, 190648), (12120, 166817), (14140, 142986), (16968, 119155), (21210, 95324), (23831, 84840), (28280, 71493), (42420, 47662)]