72999990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{115873}}^1$

素因数の和:115893

約数の個数: 48

約数和(自身を含む): 216916128

約数和(自身を除く): 143916138

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, 115873, 231746, 347619, 579365, 695238, 811111, 1042857, 1158730, 1622222, 1738095, 2085714, 2433333, 3476190, 4055555, 4866666, 5214285, 7299999, 8111110, 10428570, 12166665, 14599998, 24333330, 36499995, 72999990]

約数ペア:

[(1, 72999990), (2, 36499995), (3, 24333330), (5, 14599998), (6, 12166665), (7, 10428570), (9, 8111110), (10, 7299999), (14, 5214285), (15, 4866666), (18, 4055555), (21, 3476190), (30, 2433333), (35, 2085714), (42, 1738095), (45, 1622222), (63, 1158730), (70, 1042857), (90, 811111), (105, 695238), (126, 579365), (210, 347619), (315, 231746), (630, 115873)]