61828660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 145444320

約数和(自身を除く): 83615660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 563, 578, 646, 1126, 1156, 1292, 1445, 1615, 2252, 2815, 2890, 3230, 5491, 5630, 5780, 6460, 9571, 10697, 10982, 11260, 19142, 21394, 21964, 27455, 38284, 42788, 47855, 53485, 54910, 95710, 106970, 109820, 162707, 181849, 191420, 213940, 325414, 363698, 650828, 727396, 813535, 909245, 1627070, 1818490, 3091433, 3254140, 3636980, 6182866, 12365732, 15457165, 30914330, 61828660]

約数ペア:

[(1, 61828660), (2, 30914330), (4, 15457165), (5, 12365732), (10, 6182866), (17, 3636980), (19, 3254140), (20, 3091433), (34, 1818490), (38, 1627070), (68, 909245), (76, 813535), (85, 727396), (95, 650828), (170, 363698), (190, 325414), (289, 213940), (323, 191420), (340, 181849), (380, 162707), (563, 109820), (578, 106970), (646, 95710), (1126, 54910), (1156, 53485), (1292, 47855), (1445, 42788), (1615, 38284), (2252, 27455), (2815, 21964), (2890, 21394), (3230, 19142), (5491, 11260), (5630, 10982), (5780, 10697), (6460, 9571)]