128225985460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1\times {\mathrm{2753}}^1$

素因数の和:3601

約数の個数: 96

約数和(自身を含む): 279824025600

約数和(自身を除く): 151598040140

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 719, 790, 820, 1438, 1580, 2753, 2876, 3239, 3595, 5506, 6478, 7190, 11012, 12956, 13765, 14380, 16195, 27530, 29479, 32390, 55060, 56801, 58958, 64780, 112873, 113602, 117916, 147395, 217487, 225746, 227204, 284005, 294790, 434974, 451492, 564365, 568010, 589580, 869948, 1087435, 1128730, 1136020, 1979407, 2174870, 2257460, 2328841, 3958814, 4349740, 4657682, 7917628, 8916967, 9315364, 9897035, 11644205, 17833934, 19794070, 23288410, 35667868, 39588140, 44584835, 46576820, 81155687, 89169670, 156373153, 162311374, 178339340, 312746306, 324622748, 405778435, 625492612, 781865765, 811556870, 1563731530, 1623113740, 3127463060, 6411299273, 12822598546, 25645197092, 32056496365, 64112992730, 128225985460]

約数ペア:

[(1, 128225985460), (2, 64112992730), (4, 32056496365), (5, 25645197092), (10, 12822598546), (20, 6411299273), (41, 3127463060), (79, 1623113740), (82, 1563731530), (158, 811556870), (164, 781865765), (205, 625492612), (316, 405778435), (395, 324622748), (410, 312746306), (719, 178339340), (790, 162311374), (820, 156373153), (1438, 89169670), (1580, 81155687), (2753, 46576820), (2876, 44584835), (3239, 39588140), (3595, 35667868), (5506, 23288410), (6478, 19794070), (7190, 17833934), (11012, 11644205), (12956, 9897035), (13765, 9315364), (14380, 8916967), (16195, 7917628), (27530, 4657682), (29479, 4349740), (32390, 3958814), (55060, 2328841), (56801, 2257460), (58958, 2174870), (64780, 1979407), (112873, 1136020), (113602, 1128730), (117916, 1087435), (147395, 869948), (217487, 589580), (225746, 568010), (227204, 564365), (284005, 451492), (294790, 434974)]