18864240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 40381968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 947, 996, 1245, 1328, 1660, 1894, 1992, 2490, 2841, 3320, 3788, 3984, 4735, 4980, 5682, 6640, 7576, 9470, 9960, 11364, 14205, 15152, 18940, 19920, 22728, 28410, 37880, 45456, 56820, 75760, 78601, 113640, 157202, 227280, 235803, 314404, 393005, 471606, 628808, 786010, 943212, 1179015, 1257616, 1572020, 1886424, 2358030, 3144040, 3772848, 4716060, 6288080, 9432120, 18864240]

約数ペア:

[(1, 18864240), (2, 9432120), (3, 6288080), (4, 4716060), (5, 3772848), (6, 3144040), (8, 2358030), (10, 1886424), (12, 1572020), (15, 1257616), (16, 1179015), (20, 943212), (24, 786010), (30, 628808), (40, 471606), (48, 393005), (60, 314404), (80, 235803), (83, 227280), (120, 157202), (166, 113640), (240, 78601), (249, 75760), (332, 56820), (415, 45456), (498, 37880), (664, 28410), (830, 22728), (947, 19920), (996, 18940), (1245, 15152), (1328, 14205), (1660, 11364), (1894, 9960), (1992, 9470), (2490, 7576), (2841, 6640), (3320, 5682), (3788, 4980), (3984, 4735)]