90076720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3119}}^1$

素因数の和:3170

約数の個数: 60

約数和(自身を含む): 221101920

約数和(自身を除く): 131025200

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, 3119, 3610, 5776, 6238, 7220, 12476, 14440, 15595, 24952, 28880, 31190, 49904, 59261, 62380, 118522, 124760, 237044, 249520, 296305, 474088, 592610, 948176, 1125959, 1185220, 2251918, 2370440, 4503836, 4740880, 5629795, 9007672, 11259590, 18015344, 22519180, 45038360, 90076720]

約数ペア:

[(1, 90076720), (2, 45038360), (4, 22519180), (5, 18015344), (8, 11259590), (10, 9007672), (16, 5629795), (19, 4740880), (20, 4503836), (38, 2370440), (40, 2251918), (76, 1185220), (80, 1125959), (95, 948176), (152, 592610), (190, 474088), (304, 296305), (361, 249520), (380, 237044), (722, 124760), (760, 118522), (1444, 62380), (1520, 59261), (1805, 49904), (2888, 31190), (3119, 28880), (3610, 24952), (5776, 15595), (6238, 14440), (7220, 12476)]