640686443265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1499}}^1\times {\mathrm{1873}}^1$

素因数の和:3855

約数の個数: 96

約数和(自身を含む): 1215566352000

約数和(自身を除く): 574879908735

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 461, 495, 1383, 1499, 1873, 2305, 4149, 4497, 5071, 5619, 6915, 7495, 9365, 13491, 15213, 16489, 16857, 20603, 20745, 22485, 25355, 28095, 45639, 49467, 61809, 67455, 76065, 82445, 84285, 103015, 148401, 185427, 228195, 247335, 309045, 691039, 742005, 863453, 927135, 2073117, 2590359, 2807627, 3455195, 4317265, 6219351, 7601429, 7771077, 8422881, 9497983, 10365585, 12951795, 14038135, 22804287, 25268643, 28493949, 30883897, 31096755, 38007145, 38855385, 42114405, 47489915, 68412861, 85481847, 92651691, 114021435, 126343215, 142469745, 154419485, 277955073, 342064305, 427409235, 463258455, 1294316047, 1389775365, 3882948141, 6471580235, 11648844423, 14237476517, 19414740705, 42712429551, 58244222115, 71187382585, 128137288653, 213562147755, 640686443265]

約数ペア:

[(1, 640686443265), (3, 213562147755), (5, 128137288653), (9, 71187382585), (11, 58244222115), (15, 42712429551), (33, 19414740705), (45, 14237476517), (55, 11648844423), (99, 6471580235), (165, 3882948141), (461, 1389775365), (495, 1294316047), (1383, 463258455), (1499, 427409235), (1873, 342064305), (2305, 277955073), (4149, 154419485), (4497, 142469745), (5071, 126343215), (5619, 114021435), (6915, 92651691), (7495, 85481847), (9365, 68412861), (13491, 47489915), (15213, 42114405), (16489, 38855385), (16857, 38007145), (20603, 31096755), (20745, 30883897), (22485, 28493949), (25355, 25268643), (28095, 22804287), (45639, 14038135), (49467, 12951795), (61809, 10365585), (67455, 9497983), (76065, 8422881), (82445, 7771077), (84285, 7601429), (103015, 6219351), (148401, 4317265), (185427, 3455195), (228195, 2807627), (247335, 2590359), (309045, 2073117), (691039, 927135), (742005, 863453)]