40908840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 128

約数和(自身を含む): 144875520

約数和(自身を除く): 103966680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1571, 1736, 1860, 2170, 2604, 3142, 3255, 3720, 4340, 4713, 5208, 6284, 6510, 7855, 8680, 9426, 10997, 12568, 13020, 15710, 18852, 21994, 23565, 26040, 31420, 32991, 37704, 43988, 47130, 48701, 54985, 62840, 65982, 87976, 94260, 97402, 109970, 131964, 146103, 164955, 188520, 194804, 219940, 243505, 263928, 292206, 329910, 340907, 389608, 439880, 487010, 584412, 659820, 681814, 730515, 974020, 1022721, 1168824, 1319640, 1363628, 1461030, 1704535, 1948040, 2045442, 2727256, 2922060, 3409070, 4090884, 5113605, 5844120, 6818140, 8181768, 10227210, 13636280, 20454420, 40908840]

約数ペア:

[(1, 40908840), (2, 20454420), (3, 13636280), (4, 10227210), (5, 8181768), (6, 6818140), (7, 5844120), (8, 5113605), (10, 4090884), (12, 3409070), (14, 2922060), (15, 2727256), (20, 2045442), (21, 1948040), (24, 1704535), (28, 1461030), (30, 1363628), (31, 1319640), (35, 1168824), (40, 1022721), (42, 974020), (56, 730515), (60, 681814), (62, 659820), (70, 584412), (84, 487010), (93, 439880), (105, 389608), (120, 340907), (124, 329910), (140, 292206), (155, 263928), (168, 243505), (186, 219940), (210, 194804), (217, 188520), (248, 164955), (280, 146103), (310, 131964), (372, 109970), (420, 97402), (434, 94260), (465, 87976), (620, 65982), (651, 62840), (744, 54985), (840, 48701), (868, 47130), (930, 43988), (1085, 37704), (1240, 32991), (1302, 31420), (1571, 26040), (1736, 23565), (1860, 21994), (2170, 18852), (2604, 15710), (3142, 13020), (3255, 12568), (3720, 10997), (4340, 9426), (4713, 8680), (5208, 7855), (6284, 6510)]