215990640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9677}}^1$

素因数の和:9727

約数の個数: 120

約数和(自身を含む): 748844928

約数和(自身を除く): 532854288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9677, 11160, 19354, 22320, 29031, 38708, 48385, 58062, 77416, 87093, 96770, 116124, 145155, 154832, 174186, 193540, 232248, 290310, 299987, 348372, 387080, 435465, 464496, 580620, 599974, 696744, 774160, 870930, 899961, 1161240, 1199948, 1393488, 1499935, 1741860, 1799922, 2322480, 2399896, 2699883, 2999870, 3483720, 3599844, 4499805, 4799792, 5399766, 5999740, 6967440, 7199688, 8999610, 10799532, 11999480, 13499415, 14399376, 17999220, 21599064, 23998960, 26998830, 35998440, 43198128, 53997660, 71996880, 107995320, 215990640]

約数ペア:

[(1, 215990640), (2, 107995320), (3, 71996880), (4, 53997660), (5, 43198128), (6, 35998440), (8, 26998830), (9, 23998960), (10, 21599064), (12, 17999220), (15, 14399376), (16, 13499415), (18, 11999480), (20, 10799532), (24, 8999610), (30, 7199688), (31, 6967440), (36, 5999740), (40, 5399766), (45, 4799792), (48, 4499805), (60, 3599844), (62, 3483720), (72, 2999870), (80, 2699883), (90, 2399896), (93, 2322480), (120, 1799922), (124, 1741860), (144, 1499935), (155, 1393488), (180, 1199948), (186, 1161240), (240, 899961), (248, 870930), (279, 774160), (310, 696744), (360, 599974), (372, 580620), (465, 464496), (496, 435465), (558, 387080), (620, 348372), (720, 299987), (744, 290310), (930, 232248), (1116, 193540), (1240, 174186), (1395, 154832), (1488, 145155), (1860, 116124), (2232, 96770), (2480, 87093), (2790, 77416), (3720, 58062), (4464, 48385), (5580, 38708), (7440, 29031), (9677, 22320), (11160, 19354)]