74587240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 128

約数和(自身を含む): 213534720

約数和(自身を除く): 138947480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 661, 728, 806, 868, 910, 1085, 1240, 1322, 1612, 1736, 1820, 2015, 2170, 2644, 2821, 3224, 3305, 3640, 4030, 4340, 4627, 5288, 5642, 6610, 8060, 8593, 8680, 9254, 11284, 13220, 14105, 16120, 17186, 18508, 20491, 22568, 23135, 26440, 28210, 34372, 37016, 40982, 42965, 46270, 56420, 60151, 68744, 81964, 85930, 92540, 102455, 112840, 120302, 143437, 163928, 171860, 185080, 204910, 240604, 266383, 286874, 300755, 343720, 409820, 481208, 532766, 573748, 601510, 717185, 819640, 1065532, 1147496, 1203020, 1331915, 1434370, 1864681, 2131064, 2406040, 2663830, 2868740, 3729362, 5327660, 5737480, 7458724, 9323405, 10655320, 14917448, 18646810, 37293620, 74587240]

約数ペア:

[(1, 74587240), (2, 37293620), (4, 18646810), (5, 14917448), (7, 10655320), (8, 9323405), (10, 7458724), (13, 5737480), (14, 5327660), (20, 3729362), (26, 2868740), (28, 2663830), (31, 2406040), (35, 2131064), (40, 1864681), (52, 1434370), (56, 1331915), (62, 1203020), (65, 1147496), (70, 1065532), (91, 819640), (104, 717185), (124, 601510), (130, 573748), (140, 532766), (155, 481208), (182, 409820), (217, 343720), (248, 300755), (260, 286874), (280, 266383), (310, 240604), (364, 204910), (403, 185080), (434, 171860), (455, 163928), (520, 143437), (620, 120302), (661, 112840), (728, 102455), (806, 92540), (868, 85930), (910, 81964), (1085, 68744), (1240, 60151), (1322, 56420), (1612, 46270), (1736, 42965), (1820, 40982), (2015, 37016), (2170, 34372), (2644, 28210), (2821, 26440), (3224, 23135), (3305, 22568), (3640, 20491), (4030, 18508), (4340, 17186), (4627, 16120), (5288, 14105), (5642, 13220), (6610, 11284), (8060, 9254), (8593, 8680)]