40238040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 128563200

約数和(自身を除く): 88325160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 239, 244, 276, 305, 345, 366, 460, 478, 488, 552, 610, 690, 717, 732, 915, 920, 956, 1195, 1220, 1380, 1403, 1434, 1464, 1830, 1912, 2390, 2440, 2760, 2806, 2868, 3585, 3660, 4209, 4780, 5497, 5612, 5736, 7015, 7170, 7320, 8418, 9560, 10994, 11224, 14030, 14340, 14579, 16491, 16836, 21045, 21988, 27485, 28060, 28680, 29158, 32982, 33672, 42090, 43737, 43976, 54970, 56120, 58316, 65964, 72895, 82455, 84180, 87474, 109940, 116632, 131928, 145790, 164910, 168360, 174948, 218685, 219880, 291580, 329820, 335317, 349896, 437370, 583160, 659640, 670634, 874740, 1005951, 1341268, 1676585, 1749480, 2011902, 2682536, 3353170, 4023804, 5029755, 6706340, 8047608, 10059510, 13412680, 20119020, 40238040]

約数ペア:

[(1, 40238040), (2, 20119020), (3, 13412680), (4, 10059510), (5, 8047608), (6, 6706340), (8, 5029755), (10, 4023804), (12, 3353170), (15, 2682536), (20, 2011902), (23, 1749480), (24, 1676585), (30, 1341268), (40, 1005951), (46, 874740), (60, 670634), (61, 659640), (69, 583160), (92, 437370), (115, 349896), (120, 335317), (122, 329820), (138, 291580), (183, 219880), (184, 218685), (230, 174948), (239, 168360), (244, 164910), (276, 145790), (305, 131928), (345, 116632), (366, 109940), (460, 87474), (478, 84180), (488, 82455), (552, 72895), (610, 65964), (690, 58316), (717, 56120), (732, 54970), (915, 43976), (920, 43737), (956, 42090), (1195, 33672), (1220, 32982), (1380, 29158), (1403, 28680), (1434, 28060), (1464, 27485), (1830, 21988), (1912, 21045), (2390, 16836), (2440, 16491), (2760, 14579), (2806, 14340), (2868, 14030), (3585, 11224), (3660, 10994), (4209, 9560), (4780, 8418), (5497, 7320), (5612, 7170), (5736, 7015)]