309439260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 1017080064

約数和(自身を除く): 707640804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 223, 234, 260, 390, 446, 468, 585, 593, 669, 780, 892, 1115, 1170, 1186, 1338, 1779, 2007, 2230, 2340, 2372, 2676, 2899, 2965, 3345, 3558, 4014, 4460, 5337, 5798, 5930, 6690, 7116, 7709, 8028, 8697, 8895, 10035, 10674, 11596, 11860, 13380, 14495, 15418, 17394, 17790, 20070, 21348, 23127, 26091, 26685, 28990, 30836, 34788, 35580, 38545, 40140, 43485, 46254, 52182, 53370, 57980, 69381, 77090, 86970, 92508, 104364, 106740, 115635, 130455, 132239, 138762, 154180, 173940, 231270, 260910, 264478, 277524, 346905, 396717, 462540, 521820, 528956, 661195, 693810, 793434, 1190151, 1322390, 1387620, 1586868, 1719107, 1983585, 2380302, 2644780, 3438214, 3967170, 4760604, 5157321, 5950755, 6876428, 7934340, 8595535, 10314642, 11901510, 15471963, 17191070, 20629284, 23803020, 25786605, 30943926, 34382140, 51573210, 61887852, 77359815, 103146420, 154719630, 309439260]

約数ペア:

[(1, 309439260), (2, 154719630), (3, 103146420), (4, 77359815), (5, 61887852), (6, 51573210), (9, 34382140), (10, 30943926), (12, 25786605), (13, 23803020), (15, 20629284), (18, 17191070), (20, 15471963), (26, 11901510), (30, 10314642), (36, 8595535), (39, 7934340), (45, 6876428), (52, 5950755), (60, 5157321), (65, 4760604), (78, 3967170), (90, 3438214), (117, 2644780), (130, 2380302), (156, 1983585), (180, 1719107), (195, 1586868), (223, 1387620), (234, 1322390), (260, 1190151), (390, 793434), (446, 693810), (468, 661195), (585, 528956), (593, 521820), (669, 462540), (780, 396717), (892, 346905), (1115, 277524), (1170, 264478), (1186, 260910), (1338, 231270), (1779, 173940), (2007, 154180), (2230, 138762), (2340, 132239), (2372, 130455), (2676, 115635), (2899, 106740), (2965, 104364), (3345, 92508), (3558, 86970), (4014, 77090), (4460, 69381), (5337, 57980), (5798, 53370), (5930, 52182), (6690, 46254), (7116, 43485), (7709, 40140), (8028, 38545), (8697, 35580), (8895, 34788), (10035, 30836), (10674, 28990), (11596, 26685), (11860, 26091), (13380, 23127), (14495, 21348), (15418, 20070), (17394, 17790)]