71808720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{691}}^1$

素因数の和:1140

約数の個数: 80

約数和(自身を含む): 223444032

約数和(自身を除く): 151635312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 433, 691, 866, 1299, 1382, 1732, 2073, 2165, 2598, 2764, 3455, 3464, 4146, 4330, 5196, 5528, 6495, 6910, 6928, 8292, 8660, 10365, 10392, 11056, 12990, 13820, 16584, 17320, 20730, 20784, 25980, 27640, 33168, 34640, 41460, 51960, 55280, 82920, 103920, 165840, 299203, 598406, 897609, 1196812, 1496015, 1795218, 2393624, 2992030, 3590436, 4488045, 4787248, 5984060, 7180872, 8976090, 11968120, 14361744, 17952180, 23936240, 35904360, 71808720]

約数ペア:

[(1, 71808720), (2, 35904360), (3, 23936240), (4, 17952180), (5, 14361744), (6, 11968120), (8, 8976090), (10, 7180872), (12, 5984060), (15, 4787248), (16, 4488045), (20, 3590436), (24, 2992030), (30, 2393624), (40, 1795218), (48, 1496015), (60, 1196812), (80, 897609), (120, 598406), (240, 299203), (433, 165840), (691, 103920), (866, 82920), (1299, 55280), (1382, 51960), (1732, 41460), (2073, 34640), (2165, 33168), (2598, 27640), (2764, 25980), (3455, 20784), (3464, 20730), (4146, 17320), (4330, 16584), (5196, 13820), (5528, 12990), (6495, 11056), (6910, 10392), (6928, 10365), (8292, 8660)]