84011920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2909}}^1$

素因数の和:2960

約数の個数: 60

約数和(自身を含む): 206220060

約数和(自身を除く): 122208140

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 2909, 3610, 5776, 5818, 7220, 11636, 14440, 14545, 23272, 28880, 29090, 46544, 55271, 58180, 110542, 116360, 221084, 232720, 276355, 442168, 552710, 884336, 1050149, 1105420, 2100298, 2210840, 4200596, 4421680, 5250745, 8401192, 10501490, 16802384, 21002980, 42005960, 84011920]

約数ペア:

[(1, 84011920), (2, 42005960), (4, 21002980), (5, 16802384), (8, 10501490), (10, 8401192), (16, 5250745), (19, 4421680), (20, 4200596), (38, 2210840), (40, 2100298), (76, 1105420), (80, 1050149), (95, 884336), (152, 552710), (190, 442168), (304, 276355), (361, 232720), (380, 221084), (722, 116360), (760, 110542), (1444, 58180), (1520, 55271), (1805, 46544), (2888, 29090), (2909, 28880), (3610, 23272), (5776, 14545), (5818, 14440), (7220, 11636)]