128646225

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 261699768

約数和(自身を除く): 133053543

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 37, 45, 51, 75, 81, 85, 101, 111, 135, 153, 185, 225, 255, 303, 333, 405, 425, 459, 505, 555, 629, 675, 765, 909, 925, 999, 1275, 1377, 1515, 1665, 1717, 1887, 2025, 2295, 2525, 2727, 2775, 2997, 3145, 3737, 3825, 4545, 4995, 5151, 5661, 6885, 7575, 8181, 8325, 8585, 9435, 11211, 11475, 13635, 14985, 15453, 15725, 16983, 18685, 22725, 24975, 25755, 28305, 33633, 34425, 40905, 42925, 46359, 47175, 50949, 56055, 63529, 68175, 74925, 77265, 84915, 93425, 100899, 128775, 139077, 141525, 168165, 190587, 204525, 231795, 254745, 280275, 302697, 317645, 386325, 424575, 504495, 571761, 695385, 840825, 952935, 1158975, 1273725, 1513485, 1588225, 1715283, 2522475, 2858805, 3476925, 4764675, 5145849, 7567425, 8576415, 14294025, 25729245, 42882075, 128646225]

約数ペア:

[(1, 128646225), (3, 42882075), (5, 25729245), (9, 14294025), (15, 8576415), (17, 7567425), (25, 5145849), (27, 4764675), (37, 3476925), (45, 2858805), (51, 2522475), (75, 1715283), (81, 1588225), (85, 1513485), (101, 1273725), (111, 1158975), (135, 952935), (153, 840825), (185, 695385), (225, 571761), (255, 504495), (303, 424575), (333, 386325), (405, 317645), (425, 302697), (459, 280275), (505, 254745), (555, 231795), (629, 204525), (675, 190587), (765, 168165), (909, 141525), (925, 139077), (999, 128775), (1275, 100899), (1377, 93425), (1515, 84915), (1665, 77265), (1717, 74925), (1887, 68175), (2025, 63529), (2295, 56055), (2525, 50949), (2727, 47175), (2775, 46359), (2997, 42925), (3145, 40905), (3737, 34425), (3825, 33633), (4545, 28305), (4995, 25755), (5151, 24975), (5661, 22725), (6885, 18685), (7575, 16983), (8181, 15725), (8325, 15453), (8585, 14985), (9435, 13635), (11211, 11475)]