72990680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 198288000

約数和(自身を除く): 125297320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 89, 101, 116, 140, 145, 178, 202, 203, 232, 280, 290, 356, 404, 406, 445, 505, 580, 623, 707, 712, 808, 812, 890, 1010, 1015, 1160, 1246, 1414, 1624, 1780, 2020, 2030, 2492, 2581, 2828, 2929, 3115, 3535, 3560, 4040, 4060, 4984, 5162, 5656, 5858, 6230, 7070, 8120, 8989, 10324, 11716, 12460, 12905, 14140, 14645, 17978, 18067, 20503, 20648, 23432, 24920, 25810, 28280, 29290, 35956, 36134, 41006, 44945, 51620, 58580, 62923, 71912, 72268, 82012, 89890, 90335, 102515, 103240, 117160, 125846, 144536, 164024, 179780, 180670, 205030, 251692, 260681, 314615, 359560, 361340, 410060, 503384, 521362, 629230, 722680, 820120, 1042724, 1258460, 1303405, 1824767, 2085448, 2516920, 2606810, 3649534, 5213620, 7299068, 9123835, 10427240, 14598136, 18247670, 36495340, 72990680]

約数ペア:

[(1, 72990680), (2, 36495340), (4, 18247670), (5, 14598136), (7, 10427240), (8, 9123835), (10, 7299068), (14, 5213620), (20, 3649534), (28, 2606810), (29, 2516920), (35, 2085448), (40, 1824767), (56, 1303405), (58, 1258460), (70, 1042724), (89, 820120), (101, 722680), (116, 629230), (140, 521362), (145, 503384), (178, 410060), (202, 361340), (203, 359560), (232, 314615), (280, 260681), (290, 251692), (356, 205030), (404, 180670), (406, 179780), (445, 164024), (505, 144536), (580, 125846), (623, 117160), (707, 103240), (712, 102515), (808, 90335), (812, 89890), (890, 82012), (1010, 72268), (1015, 71912), (1160, 62923), (1246, 58580), (1414, 51620), (1624, 44945), (1780, 41006), (2020, 36134), (2030, 35956), (2492, 29290), (2581, 28280), (2828, 25810), (2929, 24920), (3115, 23432), (3535, 20648), (3560, 20503), (4040, 18067), (4060, 17978), (4984, 14645), (5162, 14140), (5656, 12905), (5858, 12460), (6230, 11716), (7070, 10324), (8120, 8989)]