20181803280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1\times {\mathrm{677}}^1$

素因数の和:1473

約数の個数: 160

約数和(自身を含む): 63049964544

約数和(自身を除く): 42868161264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 557, 669, 677, 892, 1114, 1115, 1338, 1354, 1671, 1784, 2031, 2228, 2230, 2676, 2708, 2785, 3342, 3345, 3385, 3568, 4062, 4456, 4460, 5352, 5416, 5570, 6684, 6690, 6770, 8124, 8355, 8912, 8920, 10155, 10704, 10832, 11140, 13368, 13380, 13540, 16248, 16710, 17840, 20310, 22280, 26736, 26760, 27080, 32496, 33420, 40620, 44560, 53520, 54160, 66840, 81240, 124211, 133680, 150971, 162480, 248422, 301942, 372633, 377089, 452913, 496844, 603884, 621055, 745266, 754178, 754855, 905826, 993688, 1131267, 1207768, 1242110, 1490532, 1508356, 1509710, 1811652, 1863165, 1885445, 1987376, 2262534, 2264565, 2415536, 2484220, 2981064, 3016712, 3019420, 3623304, 3726330, 3770890, 4525068, 4529130, 4968440, 5656335, 5962128, 6033424, 6038840, 7246608, 7452660, 7541780, 9050136, 9058260, 9936880, 11312670, 12077680, 14905320, 15083560, 18100272, 18116520, 22625340, 29810640, 30167120, 36233040, 45250680, 84090847, 90501360, 168181694, 252272541, 336363388, 420454235, 504545082, 672726776, 840908470, 1009090164, 1261362705, 1345453552, 1681816940, 2018180328, 2522725410, 3363633880, 4036360656, 5045450820, 6727267760, 10090901640, 20181803280]

約数ペア:

[(1, 20181803280), (2, 10090901640), (3, 6727267760), (4, 5045450820), (5, 4036360656), (6, 3363633880), (8, 2522725410), (10, 2018180328), (12, 1681816940), (15, 1345453552), (16, 1261362705), (20, 1009090164), (24, 840908470), (30, 672726776), (40, 504545082), (48, 420454235), (60, 336363388), (80, 252272541), (120, 168181694), (223, 90501360), (240, 84090847), (446, 45250680), (557, 36233040), (669, 30167120), (677, 29810640), (892, 22625340), (1114, 18116520), (1115, 18100272), (1338, 15083560), (1354, 14905320), (1671, 12077680), (1784, 11312670), (2031, 9936880), (2228, 9058260), (2230, 9050136), (2676, 7541780), (2708, 7452660), (2785, 7246608), (3342, 6038840), (3345, 6033424), (3385, 5962128), (3568, 5656335), (4062, 4968440), (4456, 4529130), (4460, 4525068), (5352, 3770890), (5416, 3726330), (5570, 3623304), (6684, 3019420), (6690, 3016712), (6770, 2981064), (8124, 2484220), (8355, 2415536), (8912, 2264565), (8920, 2262534), (10155, 1987376), (10704, 1885445), (10832, 1863165), (11140, 1811652), (13368, 1509710), (13380, 1508356), (13540, 1490532), (16248, 1242110), (16710, 1207768), (17840, 1131267), (20310, 993688), (22280, 905826), (26736, 754855), (26760, 754178), (27080, 745266), (32496, 621055), (33420, 603884), (40620, 496844), (44560, 452913), (53520, 377089), (54160, 372633), (66840, 301942), (81240, 248422), (124211, 162480), (133680, 150971)]