3640781625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 6974263296

約数和(自身を除く): 3333481671

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 197, 221, 223, 255, 325, 375, 425, 591, 663, 669, 975, 985, 1105, 1115, 1275, 1625, 2125, 2561, 2899, 2955, 3315, 3345, 3349, 3791, 4875, 4925, 5525, 5575, 6375, 7683, 8697, 10047, 11373, 12805, 14495, 14775, 16575, 16725, 16745, 18955, 24625, 27625, 27875, 38415, 43485, 43537, 43931, 49283, 50235, 56865, 64025, 72475, 73875, 82875, 83625, 83725, 94775, 130611, 131793, 147849, 192075, 217425, 217685, 219655, 246415, 251175, 284325, 320125, 362375, 418625, 473875, 571103, 653055, 658965, 739245, 746827, 960375, 1087125, 1088425, 1098275, 1232075, 1255875, 1421625, 1713309, 2240481, 2855515, 3265275, 3294825, 3696225, 3734135, 5442125, 5491375, 6160375, 8566545, 9708751, 11202405, 14277575, 16326375, 16474125, 18481125, 18670675, 29126253, 42832725, 48543755, 56012025, 71387875, 93353375, 145631265, 214163625, 242718775, 280060125, 728156325, 1213593875, 3640781625]

約数ペア:

[(1, 3640781625), (3, 1213593875), (5, 728156325), (13, 280060125), (15, 242718775), (17, 214163625), (25, 145631265), (39, 93353375), (51, 71387875), (65, 56012025), (75, 48543755), (85, 42832725), (125, 29126253), (195, 18670675), (197, 18481125), (221, 16474125), (223, 16326375), (255, 14277575), (325, 11202405), (375, 9708751), (425, 8566545), (591, 6160375), (663, 5491375), (669, 5442125), (975, 3734135), (985, 3696225), (1105, 3294825), (1115, 3265275), (1275, 2855515), (1625, 2240481), (2125, 1713309), (2561, 1421625), (2899, 1255875), (2955, 1232075), (3315, 1098275), (3345, 1088425), (3349, 1087125), (3791, 960375), (4875, 746827), (4925, 739245), (5525, 658965), (5575, 653055), (6375, 571103), (7683, 473875), (8697, 418625), (10047, 362375), (11373, 320125), (12805, 284325), (14495, 251175), (14775, 246415), (16575, 219655), (16725, 217685), (16745, 217425), (18955, 192075), (24625, 147849), (27625, 131793), (27875, 130611), (38415, 94775), (43485, 83725), (43537, 83625), (43931, 82875), (49283, 73875), (50235, 72475), (56865, 64025)]