661069890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{569}}^1$

素因数の和:929

約数の個数: 128

約数和(自身を含む): 1907539200

約数和(自身を除く): 1246469310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 331, 351, 390, 569, 585, 662, 702, 993, 1138, 1170, 1655, 1707, 1755, 1986, 2845, 2979, 3310, 3414, 3510, 4303, 4965, 5121, 5690, 5958, 7397, 8535, 8606, 8937, 9930, 10242, 12909, 14794, 14895, 15363, 17070, 17874, 21515, 22191, 25605, 25818, 29790, 30726, 36985, 38727, 43030, 44382, 44685, 51210, 64545, 66573, 73970, 76815, 77454, 89370, 110955, 116181, 129090, 133146, 153630, 188339, 193635, 199719, 221910, 232362, 332865, 376678, 387270, 399438, 565017, 580905, 665730, 941695, 998595, 1130034, 1161810, 1695051, 1883390, 1997190, 2448407, 2825085, 3390102, 4896814, 5085153, 5650170, 7345221, 8475255, 10170306, 12242035, 14690442, 16950510, 22035663, 24484070, 25425765, 36726105, 44071326, 50851530, 66106989, 73452210, 110178315, 132213978, 220356630, 330534945, 661069890]

約数ペア:

[(1, 661069890), (2, 330534945), (3, 220356630), (5, 132213978), (6, 110178315), (9, 73452210), (10, 66106989), (13, 50851530), (15, 44071326), (18, 36726105), (26, 25425765), (27, 24484070), (30, 22035663), (39, 16950510), (45, 14690442), (54, 12242035), (65, 10170306), (78, 8475255), (90, 7345221), (117, 5650170), (130, 5085153), (135, 4896814), (195, 3390102), (234, 2825085), (270, 2448407), (331, 1997190), (351, 1883390), (390, 1695051), (569, 1161810), (585, 1130034), (662, 998595), (702, 941695), (993, 665730), (1138, 580905), (1170, 565017), (1655, 399438), (1707, 387270), (1755, 376678), (1986, 332865), (2845, 232362), (2979, 221910), (3310, 199719), (3414, 193635), (3510, 188339), (4303, 153630), (4965, 133146), (5121, 129090), (5690, 116181), (5958, 110955), (7397, 89370), (8535, 77454), (8606, 76815), (8937, 73970), (9930, 66573), (10242, 64545), (12909, 51210), (14794, 44685), (14895, 44382), (15363, 43030), (17070, 38727), (17874, 36985), (21515, 30726), (22191, 29790), (25605, 25818)]