61456120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 151826400

約数和(自身を除く): 90370280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 709, 788, 985, 1418, 1576, 1970, 2167, 2836, 3545, 3940, 4334, 5672, 7090, 7799, 7880, 8668, 10835, 14180, 15598, 17336, 21670, 28360, 31196, 38995, 43340, 62392, 77990, 86680, 139673, 155980, 279346, 311960, 558692, 698365, 1117384, 1396730, 1536403, 2793460, 3072806, 5586920, 6145612, 7682015, 12291224, 15364030, 30728060, 61456120]

約数ペア:

[(1, 61456120), (2, 30728060), (4, 15364030), (5, 12291224), (8, 7682015), (10, 6145612), (11, 5586920), (20, 3072806), (22, 2793460), (40, 1536403), (44, 1396730), (55, 1117384), (88, 698365), (110, 558692), (197, 311960), (220, 279346), (394, 155980), (440, 139673), (709, 86680), (788, 77990), (985, 62392), (1418, 43340), (1576, 38995), (1970, 31196), (2167, 28360), (2836, 21670), (3545, 17336), (3940, 15598), (4334, 14180), (5672, 10835), (7090, 8668), (7799, 7880)]