89731980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1296

約数の個数: 144

約数和(自身を含む): 302824704

約数和(自身を除く): 213092724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1237, 1395, 1612, 1860, 2015, 2340, 2418, 2474, 2790, 3627, 3711, 4030, 4836, 4948, 5580, 6045, 6185, 7254, 7422, 8060, 11133, 12090, 12370, 14508, 14844, 16081, 18135, 18555, 22266, 24180, 24740, 32162, 36270, 37110, 38347, 44532, 48243, 55665, 64324, 72540, 74220, 76694, 80405, 96486, 111330, 115041, 144729, 153388, 160810, 191735, 192972, 222660, 230082, 241215, 289458, 321620, 345123, 383470, 460164, 482430, 498511, 575205, 578916, 690246, 723645, 766940, 964860, 997022, 1150410, 1380492, 1447290, 1495533, 1725615, 1994044, 2300820, 2492555, 2894580, 2991066, 3451230, 4486599, 4985110, 5982132, 6902460, 7477665, 8973198, 9970220, 14955330, 17946396, 22432995, 29910660, 44865990, 89731980]

約数ペア:

[(1, 89731980), (2, 44865990), (3, 29910660), (4, 22432995), (5, 17946396), (6, 14955330), (9, 9970220), (10, 8973198), (12, 7477665), (13, 6902460), (15, 5982132), (18, 4985110), (20, 4486599), (26, 3451230), (30, 2991066), (31, 2894580), (36, 2492555), (39, 2300820), (45, 1994044), (52, 1725615), (60, 1495533), (62, 1447290), (65, 1380492), (78, 1150410), (90, 997022), (93, 964860), (117, 766940), (124, 723645), (130, 690246), (155, 578916), (156, 575205), (180, 498511), (186, 482430), (195, 460164), (234, 383470), (260, 345123), (279, 321620), (310, 289458), (372, 241215), (390, 230082), (403, 222660), (465, 192972), (468, 191735), (558, 160810), (585, 153388), (620, 144729), (780, 115041), (806, 111330), (930, 96486), (1116, 80405), (1170, 76694), (1209, 74220), (1237, 72540), (1395, 64324), (1612, 55665), (1860, 48243), (2015, 44532), (2340, 38347), (2418, 37110), (2474, 36270), (2790, 32162), (3627, 24740), (3711, 24180), (4030, 22266), (4836, 18555), (4948, 18135), (5580, 16081), (6045, 14844), (6185, 14508), (7254, 12370), (7422, 12090), (8060, 11133)]