90639990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{143873}}^1$

素因数の和:143893

約数の個数: 48

約数和(自身を含む): 269332128

約数和(自身を除く): 178692138

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 143873, 287746, 431619, 719365, 863238, 1007111, 1294857, 1438730, 2014222, 2158095, 2589714, 3021333, 4316190, 5035555, 6042666, 6474285, 9063999, 10071110, 12948570, 15106665, 18127998, 30213330, 45319995, 90639990]

約数ペア:

[(1, 90639990), (2, 45319995), (3, 30213330), (5, 18127998), (6, 15106665), (7, 12948570), (9, 10071110), (10, 9063999), (14, 6474285), (15, 6042666), (18, 5035555), (21, 4316190), (30, 3021333), (35, 2589714), (42, 2158095), (45, 2014222), (63, 1438730), (70, 1294857), (90, 1007111), (105, 863238), (126, 719365), (210, 431619), (315, 287746), (630, 143873)]