15630760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 36683280

約数和(自身を除く): 21052520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 101, 106, 146, 202, 212, 265, 292, 365, 404, 424, 505, 530, 584, 730, 808, 1010, 1060, 1460, 2020, 2120, 2920, 3869, 4040, 5353, 7373, 7738, 10706, 14746, 15476, 19345, 21412, 26765, 29492, 30952, 36865, 38690, 42824, 53530, 58984, 73730, 77380, 107060, 147460, 154760, 214120, 294920, 390769, 781538, 1563076, 1953845, 3126152, 3907690, 7815380, 15630760]

約数ペア:

[(1, 15630760), (2, 7815380), (4, 3907690), (5, 3126152), (8, 1953845), (10, 1563076), (20, 781538), (40, 390769), (53, 294920), (73, 214120), (101, 154760), (106, 147460), (146, 107060), (202, 77380), (212, 73730), (265, 58984), (292, 53530), (365, 42824), (404, 38690), (424, 36865), (505, 30952), (530, 29492), (584, 26765), (730, 21412), (808, 19345), (1010, 15476), (1060, 14746), (1460, 10706), (2020, 7738), (2120, 7373), (2920, 5353), (3869, 4040)]