1520295975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1638

約数の個数: 144

約数和(自身を含む): 3284146944

約数和(自身を除く): 1763850969

約数列:

[1, 3, 5, 9, 11, 15, 17, 23, 25, 33, 45, 51, 55, 69, 75, 85, 99, 115, 153, 165, 187, 207, 225, 253, 255, 275, 345, 391, 425, 495, 561, 575, 759, 765, 825, 935, 1035, 1173, 1265, 1275, 1571, 1683, 1725, 1955, 2277, 2475, 2805, 3519, 3795, 3825, 4301, 4675, 4713, 5175, 5865, 6325, 7855, 8415, 9775, 11385, 12903, 14025, 14139, 17281, 17595, 18975, 21505, 23565, 26707, 29325, 36133, 38709, 39275, 42075, 51843, 56925, 64515, 70695, 80121, 86405, 87975, 107525, 108399, 117825, 133535, 155529, 180665, 193545, 240363, 259215, 293777, 322575, 325197, 353475, 397463, 400605, 432025, 541995, 614261, 667675, 777645, 881331, 903325, 967725, 1192389, 1201815, 1296075, 1468885, 1625985, 1842783, 1987315, 2003025, 2643993, 2709975, 3071305, 3577167, 3888225, 4406655, 5528349, 5961945, 6009075, 6756871, 7344425, 8129925, 9213915, 9936575, 13219965, 15356525, 17885835, 20270613, 22033275, 27641745, 29809725, 33784355, 46069575, 60811839, 66099825, 89429175, 101353065, 138208725, 168921775, 304059195, 506765325, 1520295975]

約数ペア:

[(1, 1520295975), (3, 506765325), (5, 304059195), (9, 168921775), (11, 138208725), (15, 101353065), (17, 89429175), (23, 66099825), (25, 60811839), (33, 46069575), (45, 33784355), (51, 29809725), (55, 27641745), (69, 22033275), (75, 20270613), (85, 17885835), (99, 15356525), (115, 13219965), (153, 9936575), (165, 9213915), (187, 8129925), (207, 7344425), (225, 6756871), (253, 6009075), (255, 5961945), (275, 5528349), (345, 4406655), (391, 3888225), (425, 3577167), (495, 3071305), (561, 2709975), (575, 2643993), (759, 2003025), (765, 1987315), (825, 1842783), (935, 1625985), (1035, 1468885), (1173, 1296075), (1265, 1201815), (1275, 1192389), (1571, 967725), (1683, 903325), (1725, 881331), (1955, 777645), (2277, 667675), (2475, 614261), (2805, 541995), (3519, 432025), (3795, 400605), (3825, 397463), (4301, 353475), (4675, 325197), (4713, 322575), (5175, 293777), (5865, 259215), (6325, 240363), (7855, 193545), (8415, 180665), (9775, 155529), (11385, 133535), (12903, 117825), (14025, 108399), (14139, 107525), (17281, 87975), (17595, 86405), (18975, 80121), (21505, 70695), (23565, 64515), (26707, 56925), (29325, 51843), (36133, 42075), (38709, 39275)]