120789020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 290304000

約数和(自身を除く): 169514980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 89, 110, 124, 155, 178, 199, 220, 310, 341, 356, 398, 445, 620, 682, 796, 890, 979, 995, 1364, 1705, 1780, 1958, 1990, 2189, 2759, 3410, 3916, 3980, 4378, 4895, 5518, 6169, 6820, 8756, 9790, 10945, 11036, 12338, 13795, 17711, 19580, 21890, 24676, 27590, 30349, 30845, 35422, 43780, 55180, 60698, 61690, 67859, 70844, 88555, 121396, 123380, 135718, 151745, 177110, 194821, 271436, 303490, 339295, 354220, 389642, 549041, 606980, 678590, 779284, 974105, 1098082, 1357180, 1948210, 2196164, 2745205, 3896420, 5490410, 6039451, 10980820, 12078902, 24157804, 30197255, 60394510, 120789020]

約数ペア:

[(1, 120789020), (2, 60394510), (4, 30197255), (5, 24157804), (10, 12078902), (11, 10980820), (20, 6039451), (22, 5490410), (31, 3896420), (44, 2745205), (55, 2196164), (62, 1948210), (89, 1357180), (110, 1098082), (124, 974105), (155, 779284), (178, 678590), (199, 606980), (220, 549041), (310, 389642), (341, 354220), (356, 339295), (398, 303490), (445, 271436), (620, 194821), (682, 177110), (796, 151745), (890, 135718), (979, 123380), (995, 121396), (1364, 88555), (1705, 70844), (1780, 67859), (1958, 61690), (1990, 60698), (2189, 55180), (2759, 43780), (3410, 35422), (3916, 30845), (3980, 30349), (4378, 27590), (4895, 24676), (5518, 21890), (6169, 19580), (6820, 17711), (8756, 13795), (9790, 12338), (10945, 11036)]