31456620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4512

約数の個数: 96

約数和(自身を含む): 105416640

約数和(自身を除く): 73960020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 4481, 7020, 8962, 13443, 17924, 22405, 26886, 40329, 44810, 53772, 58253, 67215, 80658, 89620, 116506, 120987, 134430, 161316, 174759, 201645, 233012, 241974, 268860, 291265, 349518, 403290, 483948, 524277, 582530, 604935, 699036, 806580, 873795, 1048554, 1165060, 1209870, 1572831, 1747590, 2097108, 2419740, 2621385, 3145662, 3495180, 5242770, 6291324, 7864155, 10485540, 15728310, 31456620]

約数ペア:

[(1, 31456620), (2, 15728310), (3, 10485540), (4, 7864155), (5, 6291324), (6, 5242770), (9, 3495180), (10, 3145662), (12, 2621385), (13, 2419740), (15, 2097108), (18, 1747590), (20, 1572831), (26, 1209870), (27, 1165060), (30, 1048554), (36, 873795), (39, 806580), (45, 699036), (52, 604935), (54, 582530), (60, 524277), (65, 483948), (78, 403290), (90, 349518), (108, 291265), (117, 268860), (130, 241974), (135, 233012), (156, 201645), (180, 174759), (195, 161316), (234, 134430), (260, 120987), (270, 116506), (351, 89620), (390, 80658), (468, 67215), (540, 58253), (585, 53772), (702, 44810), (780, 40329), (1170, 26886), (1404, 22405), (1755, 17924), (2340, 13443), (3510, 8962), (4481, 7020)]