18388601480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1\times {\mathrm{1259}}^1$

素因数の和:1791

約数の個数: 128

約数和(自身を含む): 44873740800

約数和(自身を除く): 26485139320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 457, 470, 680, 799, 914, 940, 1259, 1598, 1828, 1880, 2285, 2518, 3196, 3656, 3995, 4570, 5036, 6295, 6392, 7769, 7990, 9140, 10072, 12590, 15538, 15980, 18280, 21403, 21479, 25180, 31076, 31960, 38845, 42806, 42958, 50360, 59173, 62152, 77690, 85612, 85916, 107015, 107395, 118346, 155380, 171224, 171832, 214030, 214790, 236692, 295865, 310760, 365143, 428060, 429580, 473384, 575363, 591730, 730286, 856120, 859160, 1005941, 1150726, 1183460, 1460572, 1825715, 2011882, 2301452, 2366920, 2876815, 2921144, 3651430, 4023764, 4602904, 5029705, 5753630, 7302860, 8047528, 9781171, 10059410, 11507260, 14605720, 19562342, 20118820, 23014520, 27042061, 39124684, 40237640, 48905855, 54084122, 78249368, 97811710, 108168244, 135210305, 195623420, 216336488, 270420610, 391246840, 459715037, 540841220, 919430074, 1081682440, 1838860148, 2298575185, 3677720296, 4597150370, 9194300740, 18388601480]

約数ペア:

[(1, 18388601480), (2, 9194300740), (4, 4597150370), (5, 3677720296), (8, 2298575185), (10, 1838860148), (17, 1081682440), (20, 919430074), (34, 540841220), (40, 459715037), (47, 391246840), (68, 270420610), (85, 216336488), (94, 195623420), (136, 135210305), (170, 108168244), (188, 97811710), (235, 78249368), (340, 54084122), (376, 48905855), (457, 40237640), (470, 39124684), (680, 27042061), (799, 23014520), (914, 20118820), (940, 19562342), (1259, 14605720), (1598, 11507260), (1828, 10059410), (1880, 9781171), (2285, 8047528), (2518, 7302860), (3196, 5753630), (3656, 5029705), (3995, 4602904), (4570, 4023764), (5036, 3651430), (6295, 2921144), (6392, 2876815), (7769, 2366920), (7990, 2301452), (9140, 2011882), (10072, 1825715), (12590, 1460572), (15538, 1183460), (15980, 1150726), (18280, 1005941), (21403, 859160), (21479, 856120), (25180, 730286), (31076, 591730), (31960, 575363), (38845, 473384), (42806, 429580), (42958, 428060), (50360, 365143), (59173, 310760), (62152, 295865), (77690, 236692), (85612, 214790), (85916, 214030), (107015, 171832), (107395, 171224), (118346, 155380)]