128484540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1033}}^1$

素因数の和:1739

約数の個数: 72

約数和(自身を含む): 390678288

約数和(自身を除く): 262193748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 691, 1033, 1382, 2066, 2073, 2764, 3099, 3455, 4132, 4146, 5165, 6198, 6219, 6910, 8292, 9297, 10330, 10365, 12396, 12438, 13820, 15495, 18594, 20660, 20730, 24876, 30990, 31095, 37188, 41460, 46485, 61980, 62190, 92970, 124380, 185940, 713803, 1427606, 2141409, 2855212, 3569015, 4282818, 6424227, 7138030, 8565636, 10707045, 12848454, 14276060, 21414090, 25696908, 32121135, 42828180, 64242270, 128484540]

約数ペア:

[(1, 128484540), (2, 64242270), (3, 42828180), (4, 32121135), (5, 25696908), (6, 21414090), (9, 14276060), (10, 12848454), (12, 10707045), (15, 8565636), (18, 7138030), (20, 6424227), (30, 4282818), (36, 3569015), (45, 2855212), (60, 2141409), (90, 1427606), (180, 713803), (691, 185940), (1033, 124380), (1382, 92970), (2066, 62190), (2073, 61980), (2764, 46485), (3099, 41460), (3455, 37188), (4132, 31095), (4146, 30990), (5165, 24876), (6198, 20730), (6219, 20660), (6910, 18594), (8292, 15495), (9297, 13820), (10330, 12438), (10365, 12396)]