661331160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{262433}}^1$

素因数の和:262457

約数の個数: 96

約数和(自身を含む): 2456382240

約数和(自身を除く): 1795051080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 262433, 524866, 787299, 1049732, 1312165, 1574598, 1837031, 2099464, 2361897, 2624330, 3149196, 3674062, 3936495, 4723794, 5248660, 5511093, 6298392, 7348124, 7872990, 9185155, 9447588, 10497320, 11022186, 11809485, 14696248, 15745980, 16533279, 18370310, 18895176, 22044372, 23618970, 27555465, 31491960, 33066558, 36740620, 44088744, 47237940, 55110930, 66133116, 73481240, 82666395, 94475880, 110221860, 132266232, 165332790, 220443720, 330665580, 661331160]

約数ペア:

[(1, 661331160), (2, 330665580), (3, 220443720), (4, 165332790), (5, 132266232), (6, 110221860), (7, 94475880), (8, 82666395), (9, 73481240), (10, 66133116), (12, 55110930), (14, 47237940), (15, 44088744), (18, 36740620), (20, 33066558), (21, 31491960), (24, 27555465), (28, 23618970), (30, 22044372), (35, 18895176), (36, 18370310), (40, 16533279), (42, 15745980), (45, 14696248), (56, 11809485), (60, 11022186), (63, 10497320), (70, 9447588), (72, 9185155), (84, 7872990), (90, 7348124), (105, 6298392), (120, 5511093), (126, 5248660), (140, 4723794), (168, 3936495), (180, 3674062), (210, 3149196), (252, 2624330), (280, 2361897), (315, 2099464), (360, 1837031), (420, 1574598), (504, 1312165), (630, 1049732), (840, 787299), (1260, 524866), (2520, 262433)]