81311640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1877}}^1$

素因数の和:1929

約数の個数: 96

約数和(自身を含む): 257586480

約数和(自身を除く): 176274840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 722, 760, 1083, 1140, 1444, 1805, 1877, 2166, 2280, 2888, 3610, 3754, 4332, 5415, 5631, 7220, 7508, 8664, 9385, 10830, 11262, 14440, 15016, 18770, 21660, 22524, 28155, 35663, 37540, 43320, 45048, 56310, 71326, 75080, 106989, 112620, 142652, 178315, 213978, 225240, 285304, 356630, 427956, 534945, 677597, 713260, 855912, 1069890, 1355194, 1426520, 2032791, 2139780, 2710388, 3387985, 4065582, 4279560, 5420776, 6775970, 8131164, 10163955, 13551940, 16262328, 20327910, 27103880, 40655820, 81311640]

約数ペア:

[(1, 81311640), (2, 40655820), (3, 27103880), (4, 20327910), (5, 16262328), (6, 13551940), (8, 10163955), (10, 8131164), (12, 6775970), (15, 5420776), (19, 4279560), (20, 4065582), (24, 3387985), (30, 2710388), (38, 2139780), (40, 2032791), (57, 1426520), (60, 1355194), (76, 1069890), (95, 855912), (114, 713260), (120, 677597), (152, 534945), (190, 427956), (228, 356630), (285, 285304), (361, 225240), (380, 213978), (456, 178315), (570, 142652), (722, 112620), (760, 106989), (1083, 75080), (1140, 71326), (1444, 56310), (1805, 45048), (1877, 43320), (2166, 37540), (2280, 35663), (2888, 28155), (3610, 22524), (3754, 21660), (4332, 18770), (5415, 15016), (5631, 14440), (7220, 11262), (7508, 10830), (8664, 9385)]