649449780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 192

約数和(自身を含む): 2183086080

約数和(自身を除く): 1533636300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 71, 84, 87, 105, 116, 140, 142, 145, 174, 203, 210, 213, 284, 290, 348, 355, 406, 420, 426, 435, 497, 580, 609, 710, 751, 812, 852, 870, 994, 1015, 1065, 1218, 1420, 1491, 1502, 1740, 1988, 2030, 2059, 2130, 2253, 2436, 2485, 2982, 3004, 3045, 3755, 4060, 4118, 4260, 4506, 4970, 5257, 5964, 6090, 6177, 7455, 7510, 8236, 9012, 9940, 10295, 10514, 11265, 12180, 12354, 14413, 14910, 15020, 15771, 20590, 21028, 21779, 22530, 24708, 26285, 28826, 29820, 30885, 31542, 41180, 43239, 43558, 45060, 52570, 53321, 57652, 61770, 63084, 65337, 72065, 78855, 86478, 87116, 105140, 106642, 108895, 123540, 130674, 144130, 152453, 157710, 159963, 172956, 213284, 216195, 217790, 261348, 266605, 288260, 304906, 315420, 319926, 326685, 373247, 432390, 435580, 457359, 533210, 609812, 639852, 653370, 746494, 762265, 799815, 864780, 914718, 1066420, 1119741, 1306740, 1492988, 1524530, 1546309, 1599630, 1829436, 1866235, 2239482, 2286795, 3049060, 3092618, 3199260, 3732470, 4478964, 4573590, 4638927, 5598705, 6185236, 7464940, 7731545, 9147180, 9277854, 10824163, 11197410, 15463090, 18555708, 21648326, 22394820, 23194635, 30926180, 32472489, 43296652, 46389270, 54120815, 64944978, 92778540, 108241630, 129889956, 162362445, 216483260, 324724890, 649449780]

約数ペア:

[(1, 649449780), (2, 324724890), (3, 216483260), (4, 162362445), (5, 129889956), (6, 108241630), (7, 92778540), (10, 64944978), (12, 54120815), (14, 46389270), (15, 43296652), (20, 32472489), (21, 30926180), (28, 23194635), (29, 22394820), (30, 21648326), (35, 18555708), (42, 15463090), (58, 11197410), (60, 10824163), (70, 9277854), (71, 9147180), (84, 7731545), (87, 7464940), (105, 6185236), (116, 5598705), (140, 4638927), (142, 4573590), (145, 4478964), (174, 3732470), (203, 3199260), (210, 3092618), (213, 3049060), (284, 2286795), (290, 2239482), (348, 1866235), (355, 1829436), (406, 1599630), (420, 1546309), (426, 1524530), (435, 1492988), (497, 1306740), (580, 1119741), (609, 1066420), (710, 914718), (751, 864780), (812, 799815), (852, 762265), (870, 746494), (994, 653370), (1015, 639852), (1065, 609812), (1218, 533210), (1420, 457359), (1491, 435580), (1502, 432390), (1740, 373247), (1988, 326685), (2030, 319926), (2059, 315420), (2130, 304906), (2253, 288260), (2436, 266605), (2485, 261348), (2982, 217790), (3004, 216195), (3045, 213284), (3755, 172956), (4060, 159963), (4118, 157710), (4260, 152453), (4506, 144130), (4970, 130674), (5257, 123540), (5964, 108895), (6090, 106642), (6177, 105140), (7455, 87116), (7510, 86478), (8236, 78855), (9012, 72065), (9940, 65337), (10295, 63084), (10514, 61770), (11265, 57652), (12180, 53321), (12354, 52570), (14413, 45060), (14910, 43558), (15020, 43239), (15771, 41180), (20590, 31542), (21028, 30885), (21779, 29820), (22530, 28826), (24708, 26285)]