638864070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{1907}}^1$

素因数の和:2789

約数の個数: 64

約数和(自身を含む): 1654007040

約数和(自身を除く): 1015142970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 859, 1718, 1907, 2577, 3814, 4295, 5154, 5721, 8590, 9535, 11167, 11442, 12885, 19070, 22334, 24791, 25770, 28605, 33501, 49582, 55835, 57210, 67002, 74373, 111670, 123955, 148746, 167505, 247910, 335010, 371865, 743730, 1638113, 3276226, 4914339, 8190565, 9828678, 16381130, 21295469, 24571695, 42590938, 49143390, 63886407, 106477345, 127772814, 212954690, 319432035, 638864070]

約数ペア:

[(1, 638864070), (2, 319432035), (3, 212954690), (5, 127772814), (6, 106477345), (10, 63886407), (13, 49143390), (15, 42590938), (26, 24571695), (30, 21295469), (39, 16381130), (65, 9828678), (78, 8190565), (130, 4914339), (195, 3276226), (390, 1638113), (859, 743730), (1718, 371865), (1907, 335010), (2577, 247910), (3814, 167505), (4295, 148746), (5154, 123955), (5721, 111670), (8590, 74373), (9535, 67002), (11167, 57210), (11442, 55835), (12885, 49582), (19070, 33501), (22334, 28605), (24791, 25770)]