648448320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:489

約数の個数: 224

約数和(自身を含む): 2236695552

約数和(自身を除く): 1588247232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 223, 233, 240, 260, 312, 320, 390, 416, 446, 466, 480, 520, 624, 669, 699, 780, 832, 892, 932, 960, 1040, 1115, 1165, 1248, 1338, 1398, 1560, 1784, 1864, 2080, 2230, 2330, 2496, 2676, 2796, 2899, 3029, 3120, 3345, 3495, 3568, 3728, 4160, 4460, 4660, 5352, 5592, 5798, 6058, 6240, 6690, 6990, 7136, 7456, 8697, 8920, 9087, 9320, 10704, 11184, 11596, 12116, 12480, 13380, 13980, 14272, 14495, 14912, 15145, 17394, 17840, 18174, 18640, 21408, 22368, 23192, 24232, 26760, 27960, 28990, 30290, 34788, 35680, 36348, 37280, 42816, 43485, 44736, 45435, 46384, 48464, 51959, 53520, 55920, 57980, 60580, 69576, 71360, 72696, 74560, 86970, 90870, 92768, 96928, 103918, 107040, 111840, 115960, 121160, 139152, 145392, 155877, 173940, 181740, 185536, 193856, 207836, 214080, 223680, 231920, 242320, 259795, 278304, 290784, 311754, 347880, 363480, 415672, 463840, 484640, 519590, 556608, 581568, 623508, 675467, 695760, 726960, 779385, 831344, 927680, 969280, 1039180, 1247016, 1350934, 1391520, 1453920, 1558770, 1662688, 2026401, 2078360, 2494032, 2701868, 2783040, 2907840, 3117540, 3325376, 3377335, 4052802, 4156720, 4988064, 5403736, 6235080, 6754670, 8105604, 8313440, 9976128, 10132005, 10807472, 12470160, 13509340, 16211208, 16626880, 20264010, 21614944, 24940320, 27018680, 32422416, 40528020, 43229888, 49880640, 54037360, 64844832, 81056040, 108074720, 129689664, 162112080, 216149440, 324224160, 648448320]

約数ペア:

[(1, 648448320), (2, 324224160), (3, 216149440), (4, 162112080), (5, 129689664), (6, 108074720), (8, 81056040), (10, 64844832), (12, 54037360), (13, 49880640), (15, 43229888), (16, 40528020), (20, 32422416), (24, 27018680), (26, 24940320), (30, 21614944), (32, 20264010), (39, 16626880), (40, 16211208), (48, 13509340), (52, 12470160), (60, 10807472), (64, 10132005), (65, 9976128), (78, 8313440), (80, 8105604), (96, 6754670), (104, 6235080), (120, 5403736), (130, 4988064), (156, 4156720), (160, 4052802), (192, 3377335), (195, 3325376), (208, 3117540), (223, 2907840), (233, 2783040), (240, 2701868), (260, 2494032), (312, 2078360), (320, 2026401), (390, 1662688), (416, 1558770), (446, 1453920), (466, 1391520), (480, 1350934), (520, 1247016), (624, 1039180), (669, 969280), (699, 927680), (780, 831344), (832, 779385), (892, 726960), (932, 695760), (960, 675467), (1040, 623508), (1115, 581568), (1165, 556608), (1248, 519590), (1338, 484640), (1398, 463840), (1560, 415672), (1784, 363480), (1864, 347880), (2080, 311754), (2230, 290784), (2330, 278304), (2496, 259795), (2676, 242320), (2796, 231920), (2899, 223680), (3029, 214080), (3120, 207836), (3345, 193856), (3495, 185536), (3568, 181740), (3728, 173940), (4160, 155877), (4460, 145392), (4660, 139152), (5352, 121160), (5592, 115960), (5798, 111840), (6058, 107040), (6240, 103918), (6690, 96928), (6990, 92768), (7136, 90870), (7456, 86970), (8697, 74560), (8920, 72696), (9087, 71360), (9320, 69576), (10704, 60580), (11184, 57980), (11596, 55920), (12116, 53520), (12480, 51959), (13380, 48464), (13980, 46384), (14272, 45435), (14495, 44736), (14912, 43485), (15145, 42816), (17394, 37280), (17840, 36348), (18174, 35680), (18640, 34788), (21408, 30290), (22368, 28990), (23192, 27960), (24232, 26760)]