421793820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 1467281088

約数和(自身を除く): 1045487268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 557, 601, 630, 1114, 1202, 1260, 1671, 1803, 2228, 2404, 2785, 3005, 3342, 3606, 3899, 4207, 5013, 5409, 5570, 6010, 6684, 7212, 7798, 8355, 8414, 9015, 10026, 10818, 11140, 11697, 12020, 12621, 15596, 16710, 16828, 18030, 19495, 20052, 21035, 21636, 23394, 25065, 25242, 27045, 33420, 35091, 36060, 37863, 38990, 42070, 46788, 50130, 50484, 54090, 58485, 63105, 70182, 75726, 77980, 84140, 100260, 108180, 116970, 126210, 140364, 151452, 175455, 189315, 233940, 252420, 334757, 350910, 378630, 669514, 701820, 757260, 1004271, 1339028, 1673785, 2008542, 2343299, 3012813, 3347570, 4017084, 4686598, 5021355, 6025626, 6695140, 7029897, 9373196, 10042710, 11716495, 12051252, 14059794, 15064065, 20085420, 21089691, 23432990, 28119588, 30128130, 35149485, 42179382, 46865980, 60256260, 70298970, 84358764, 105448455, 140597940, 210896910, 421793820]

約数ペア:

[(1, 421793820), (2, 210896910), (3, 140597940), (4, 105448455), (5, 84358764), (6, 70298970), (7, 60256260), (9, 46865980), (10, 42179382), (12, 35149485), (14, 30128130), (15, 28119588), (18, 23432990), (20, 21089691), (21, 20085420), (28, 15064065), (30, 14059794), (35, 12051252), (36, 11716495), (42, 10042710), (45, 9373196), (60, 7029897), (63, 6695140), (70, 6025626), (84, 5021355), (90, 4686598), (105, 4017084), (126, 3347570), (140, 3012813), (180, 2343299), (210, 2008542), (252, 1673785), (315, 1339028), (420, 1004271), (557, 757260), (601, 701820), (630, 669514), (1114, 378630), (1202, 350910), (1260, 334757), (1671, 252420), (1803, 233940), (2228, 189315), (2404, 175455), (2785, 151452), (3005, 140364), (3342, 126210), (3606, 116970), (3899, 108180), (4207, 100260), (5013, 84140), (5409, 77980), (5570, 75726), (6010, 70182), (6684, 63105), (7212, 58485), (7798, 54090), (8355, 50484), (8414, 50130), (9015, 46788), (10026, 42070), (10818, 38990), (11140, 37863), (11697, 36060), (12020, 35091), (12621, 33420), (15596, 27045), (16710, 25242), (16828, 25065), (18030, 23394), (19495, 21636), (20052, 21035)]