1286450440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2459}}^1$

素因数の和:2551

約数の個数: 128

約数和(自身を含む): 3347568000

約数和(自身を除く): 2061117560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 41, 44, 55, 58, 82, 88, 110, 116, 145, 164, 205, 220, 232, 290, 319, 328, 410, 440, 451, 580, 638, 820, 902, 1160, 1189, 1276, 1595, 1640, 1804, 2255, 2378, 2459, 2552, 3190, 3608, 4510, 4756, 4918, 5945, 6380, 9020, 9512, 9836, 11890, 12295, 12760, 13079, 18040, 19672, 23780, 24590, 26158, 27049, 47560, 49180, 52316, 54098, 65395, 71311, 98360, 100819, 104632, 108196, 130790, 135245, 142622, 201638, 216392, 261580, 270490, 285244, 356555, 403276, 504095, 523160, 540980, 570488, 713110, 784421, 806552, 1008190, 1081960, 1109009, 1426220, 1568842, 2016380, 2218018, 2852440, 2923751, 3137684, 3922105, 4032760, 4436036, 5545045, 5847502, 6275368, 7844210, 8872072, 11090090, 11695004, 14618755, 15688420, 22180180, 23390008, 29237510, 31376840, 32161261, 44360360, 58475020, 64322522, 116950040, 128645044, 160806305, 257290088, 321612610, 643225220, 1286450440]

約数ペア:

[(1, 1286450440), (2, 643225220), (4, 321612610), (5, 257290088), (8, 160806305), (10, 128645044), (11, 116950040), (20, 64322522), (22, 58475020), (29, 44360360), (40, 32161261), (41, 31376840), (44, 29237510), (55, 23390008), (58, 22180180), (82, 15688420), (88, 14618755), (110, 11695004), (116, 11090090), (145, 8872072), (164, 7844210), (205, 6275368), (220, 5847502), (232, 5545045), (290, 4436036), (319, 4032760), (328, 3922105), (410, 3137684), (440, 2923751), (451, 2852440), (580, 2218018), (638, 2016380), (820, 1568842), (902, 1426220), (1160, 1109009), (1189, 1081960), (1276, 1008190), (1595, 806552), (1640, 784421), (1804, 713110), (2255, 570488), (2378, 540980), (2459, 523160), (2552, 504095), (3190, 403276), (3608, 356555), (4510, 285244), (4756, 270490), (4918, 261580), (5945, 216392), (6380, 201638), (9020, 142622), (9512, 135245), (9836, 130790), (11890, 108196), (12295, 104632), (12760, 100819), (13079, 98360), (18040, 71311), (19672, 65395), (23780, 54098), (24590, 52316), (26158, 49180), (27049, 47560)]