89720820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2350

約数の個数: 144

約数和(自身を含む): 321205248

約数和(自身を除く): 231484428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2297, 2604, 2790, 3255, 3906, 4340, 4594, 5580, 6510, 6891, 7812, 9188, 9765, 11485, 13020, 13782, 16079, 19530, 20673, 22970, 27564, 32158, 34455, 39060, 41346, 45940, 48237, 64316, 68910, 71207, 80395, 82692, 96474, 103365, 137820, 142414, 144711, 160790, 192948, 206730, 213621, 241185, 284828, 289422, 321580, 356035, 413460, 427242, 482370, 498449, 578844, 640863, 712070, 723555, 854484, 964740, 996898, 1068105, 1281726, 1424140, 1447110, 1495347, 1993796, 2136210, 2492245, 2563452, 2894220, 2990694, 3204315, 4272420, 4486041, 4984490, 5981388, 6408630, 7476735, 8972082, 9968980, 12817260, 14953470, 17944164, 22430205, 29906940, 44860410, 89720820]

約数ペア:

[(1, 89720820), (2, 44860410), (3, 29906940), (4, 22430205), (5, 17944164), (6, 14953470), (7, 12817260), (9, 9968980), (10, 8972082), (12, 7476735), (14, 6408630), (15, 5981388), (18, 4984490), (20, 4486041), (21, 4272420), (28, 3204315), (30, 2990694), (31, 2894220), (35, 2563452), (36, 2492245), (42, 2136210), (45, 1993796), (60, 1495347), (62, 1447110), (63, 1424140), (70, 1281726), (84, 1068105), (90, 996898), (93, 964740), (105, 854484), (124, 723555), (126, 712070), (140, 640863), (155, 578844), (180, 498449), (186, 482370), (210, 427242), (217, 413460), (252, 356035), (279, 321580), (310, 289422), (315, 284828), (372, 241185), (420, 213621), (434, 206730), (465, 192948), (558, 160790), (620, 144711), (630, 142414), (651, 137820), (868, 103365), (930, 96474), (1085, 82692), (1116, 80395), (1260, 71207), (1302, 68910), (1395, 64316), (1860, 48237), (1953, 45940), (2170, 41346), (2297, 39060), (2604, 34455), (2790, 32158), (3255, 27564), (3906, 22970), (4340, 20673), (4594, 19530), (5580, 16079), (6510, 13782), (6891, 13020), (7812, 11485), (9188, 9765)]