208174920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 651939840

約数和(自身を除く): 443764920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 186, 214, 248, 310, 321, 372, 428, 465, 523, 535, 620, 642, 744, 856, 930, 1046, 1070, 1240, 1284, 1569, 1605, 1860, 2092, 2140, 2568, 2615, 3138, 3210, 3317, 3720, 4184, 4280, 5230, 6276, 6420, 6634, 7845, 9951, 10460, 12552, 12840, 13268, 15690, 16213, 16585, 19902, 20920, 26536, 31380, 32426, 33170, 39804, 48639, 49755, 55961, 62760, 64852, 66340, 79608, 81065, 97278, 99510, 111922, 129704, 132680, 162130, 167883, 194556, 199020, 223844, 243195, 279805, 324260, 335766, 389112, 398040, 447688, 486390, 559610, 648520, 671532, 839415, 972780, 1119220, 1343064, 1678830, 1734791, 1945560, 2238440, 3357660, 3469582, 5204373, 6715320, 6939164, 8673955, 10408746, 13878328, 17347910, 20817492, 26021865, 34695820, 41634984, 52043730, 69391640, 104087460, 208174920]

約数ペア:

[(1, 208174920), (2, 104087460), (3, 69391640), (4, 52043730), (5, 41634984), (6, 34695820), (8, 26021865), (10, 20817492), (12, 17347910), (15, 13878328), (20, 10408746), (24, 8673955), (30, 6939164), (31, 6715320), (40, 5204373), (60, 3469582), (62, 3357660), (93, 2238440), (107, 1945560), (120, 1734791), (124, 1678830), (155, 1343064), (186, 1119220), (214, 972780), (248, 839415), (310, 671532), (321, 648520), (372, 559610), (428, 486390), (465, 447688), (523, 398040), (535, 389112), (620, 335766), (642, 324260), (744, 279805), (856, 243195), (930, 223844), (1046, 199020), (1070, 194556), (1240, 167883), (1284, 162130), (1569, 132680), (1605, 129704), (1860, 111922), (2092, 99510), (2140, 97278), (2568, 81065), (2615, 79608), (3138, 66340), (3210, 64852), (3317, 62760), (3720, 55961), (4184, 49755), (4280, 48639), (5230, 39804), (6276, 33170), (6420, 32426), (6634, 31380), (7845, 26536), (9951, 20920), (10460, 19902), (12552, 16585), (12840, 16213), (13268, 15690)]