641072480

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:748

約数の個数: 96

約数和(自身を含む): 1559222784

約数和(自身を除く): 918150304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 163, 188, 235, 326, 376, 470, 523, 652, 752, 815, 940, 1046, 1304, 1504, 1630, 1880, 2092, 2608, 2615, 3260, 3760, 4184, 5216, 5230, 6520, 7520, 7661, 8368, 10460, 13040, 15322, 16736, 20920, 24581, 26080, 30644, 38305, 41840, 49162, 61288, 76610, 83680, 85249, 98324, 122576, 122905, 153220, 170498, 196648, 245152, 245810, 306440, 340996, 393296, 426245, 491620, 612880, 681992, 786592, 852490, 983240, 1225760, 1363984, 1704980, 1966480, 2727968, 3409960, 3932960, 4006703, 6819920, 8013406, 13639840, 16026812, 20033515, 32053624, 40067030, 64107248, 80134060, 128214496, 160268120, 320536240, 641072480]

約数ペア:

[(1, 641072480), (2, 320536240), (4, 160268120), (5, 128214496), (8, 80134060), (10, 64107248), (16, 40067030), (20, 32053624), (32, 20033515), (40, 16026812), (47, 13639840), (80, 8013406), (94, 6819920), (160, 4006703), (163, 3932960), (188, 3409960), (235, 2727968), (326, 1966480), (376, 1704980), (470, 1363984), (523, 1225760), (652, 983240), (752, 852490), (815, 786592), (940, 681992), (1046, 612880), (1304, 491620), (1504, 426245), (1630, 393296), (1880, 340996), (2092, 306440), (2608, 245810), (2615, 245152), (3260, 196648), (3760, 170498), (4184, 153220), (5216, 122905), (5230, 122576), (6520, 98324), (7520, 85249), (7661, 83680), (8368, 76610), (10460, 61288), (13040, 49162), (15322, 41840), (16736, 38305), (20920, 30644), (24581, 26080)]