30701840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 78463728

約数和(自身を除く): 47761888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 557, 689, 848, 1040, 1060, 1114, 1378, 2120, 2228, 2756, 2785, 3445, 4240, 4456, 5512, 5570, 6890, 7241, 8912, 11024, 11140, 13780, 14482, 22280, 27560, 28964, 29521, 36205, 44560, 55120, 57928, 59042, 72410, 115856, 118084, 144820, 147605, 236168, 289640, 295210, 383773, 472336, 579280, 590420, 767546, 1180840, 1535092, 1918865, 2361680, 3070184, 3837730, 6140368, 7675460, 15350920, 30701840]

約数ペア:

[(1, 30701840), (2, 15350920), (4, 7675460), (5, 6140368), (8, 3837730), (10, 3070184), (13, 2361680), (16, 1918865), (20, 1535092), (26, 1180840), (40, 767546), (52, 590420), (53, 579280), (65, 472336), (80, 383773), (104, 295210), (106, 289640), (130, 236168), (208, 147605), (212, 144820), (260, 118084), (265, 115856), (424, 72410), (520, 59042), (530, 57928), (557, 55120), (689, 44560), (848, 36205), (1040, 29521), (1060, 28964), (1114, 27560), (1378, 22280), (2120, 14482), (2228, 13780), (2756, 11140), (2785, 11024), (3445, 8912), (4240, 7241), (4456, 6890), (5512, 5570)]