57491980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 153538560

約数和(自身を除く): 96046580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1019, 1085, 1612, 1820, 2015, 2038, 2170, 2821, 4030, 4076, 4340, 5095, 5642, 7133, 8060, 10190, 11284, 13247, 14105, 14266, 20380, 26494, 28210, 28532, 31589, 35665, 52988, 56420, 63178, 66235, 71330, 92729, 126356, 132470, 142660, 157945, 185458, 221123, 264940, 315890, 370916, 410657, 442246, 463645, 631780, 821314, 884492, 927290, 1105615, 1642628, 1854580, 2053285, 2211230, 2874599, 4106570, 4422460, 5749198, 8213140, 11498396, 14372995, 28745990, 57491980]

約数ペア:

[(1, 57491980), (2, 28745990), (4, 14372995), (5, 11498396), (7, 8213140), (10, 5749198), (13, 4422460), (14, 4106570), (20, 2874599), (26, 2211230), (28, 2053285), (31, 1854580), (35, 1642628), (52, 1105615), (62, 927290), (65, 884492), (70, 821314), (91, 631780), (124, 463645), (130, 442246), (140, 410657), (155, 370916), (182, 315890), (217, 264940), (260, 221123), (310, 185458), (364, 157945), (403, 142660), (434, 132470), (455, 126356), (620, 92729), (806, 71330), (868, 66235), (910, 63178), (1019, 56420), (1085, 52988), (1612, 35665), (1820, 31589), (2015, 28532), (2038, 28210), (2170, 26494), (2821, 20380), (4030, 14266), (4076, 14105), (4340, 13247), (5095, 11284), (5642, 10190), (7133, 8060)]