11223680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 30844800

約数和(自身を除く): 19621120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 71, 76, 80, 95, 104, 128, 130, 142, 152, 160, 190, 208, 247, 260, 284, 304, 320, 355, 380, 416, 494, 520, 568, 608, 640, 710, 760, 832, 923, 988, 1040, 1136, 1216, 1235, 1349, 1420, 1520, 1664, 1846, 1976, 2080, 2272, 2432, 2470, 2698, 2840, 3040, 3692, 3952, 4160, 4544, 4615, 4940, 5396, 5680, 6080, 6745, 7384, 7904, 8320, 9088, 9230, 9880, 10792, 11360, 12160, 13490, 14768, 15808, 17537, 18460, 19760, 21584, 22720, 26980, 29536, 31616, 35074, 36920, 39520, 43168, 45440, 53960, 59072, 70148, 73840, 79040, 86336, 87685, 107920, 118144, 140296, 147680, 158080, 172672, 175370, 215840, 280592, 295360, 350740, 431680, 561184, 590720, 701480, 863360, 1122368, 1402960, 2244736, 2805920, 5611840, 11223680]

約数ペア:

[(1, 11223680), (2, 5611840), (4, 2805920), (5, 2244736), (8, 1402960), (10, 1122368), (13, 863360), (16, 701480), (19, 590720), (20, 561184), (26, 431680), (32, 350740), (38, 295360), (40, 280592), (52, 215840), (64, 175370), (65, 172672), (71, 158080), (76, 147680), (80, 140296), (95, 118144), (104, 107920), (128, 87685), (130, 86336), (142, 79040), (152, 73840), (160, 70148), (190, 59072), (208, 53960), (247, 45440), (260, 43168), (284, 39520), (304, 36920), (320, 35074), (355, 31616), (380, 29536), (416, 26980), (494, 22720), (520, 21584), (568, 19760), (608, 18460), (640, 17537), (710, 15808), (760, 14768), (832, 13490), (923, 12160), (988, 11360), (1040, 10792), (1136, 9880), (1216, 9230), (1235, 9088), (1349, 8320), (1420, 7904), (1520, 7384), (1664, 6745), (1846, 6080), (1976, 5680), (2080, 5396), (2272, 4940), (2432, 4615), (2470, 4544), (2698, 4160), (2840, 3952), (3040, 3692)]