20181996840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1\times {\mathrm{6067}}^1$

素因数の和:7559

約数の個数: 128

約数和(自身を含む): 63786816000

約数和(自身を除く): 43604819160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 1459, 2280, 2918, 4377, 5836, 6067, 7295, 8754, 11672, 12134, 14590, 17508, 18201, 21885, 24268, 27721, 29180, 30335, 35016, 36402, 43770, 48536, 55442, 58360, 60670, 72804, 83163, 87540, 91005, 110884, 115273, 121340, 138605, 145608, 166326, 175080, 182010, 221768, 230546, 242680, 277210, 332652, 345819, 364020, 415815, 461092, 554420, 576365, 665304, 691638, 728040, 831630, 922184, 1108840, 1152730, 1383276, 1663260, 1729095, 2305460, 2766552, 3326520, 3458190, 4610920, 6916380, 8851753, 13832760, 17703506, 26555259, 35407012, 44258765, 53110518, 70814024, 88517530, 106221036, 132776295, 168183307, 177035060, 212442072, 265552590, 336366614, 354070120, 504549921, 531105180, 672733228, 840916535, 1009099842, 1062210360, 1345466456, 1681833070, 2018199684, 2522749605, 3363666140, 4036399368, 5045499210, 6727332280, 10090998420, 20181996840]

約数ペア:

[(1, 20181996840), (2, 10090998420), (3, 6727332280), (4, 5045499210), (5, 4036399368), (6, 3363666140), (8, 2522749605), (10, 2018199684), (12, 1681833070), (15, 1345466456), (19, 1062210360), (20, 1009099842), (24, 840916535), (30, 672733228), (38, 531105180), (40, 504549921), (57, 354070120), (60, 336366614), (76, 265552590), (95, 212442072), (114, 177035060), (120, 168183307), (152, 132776295), (190, 106221036), (228, 88517530), (285, 70814024), (380, 53110518), (456, 44258765), (570, 35407012), (760, 26555259), (1140, 17703506), (1459, 13832760), (2280, 8851753), (2918, 6916380), (4377, 4610920), (5836, 3458190), (6067, 3326520), (7295, 2766552), (8754, 2305460), (11672, 1729095), (12134, 1663260), (14590, 1383276), (17508, 1152730), (18201, 1108840), (21885, 922184), (24268, 831630), (27721, 728040), (29180, 691638), (30335, 665304), (35016, 576365), (36402, 554420), (43770, 461092), (48536, 415815), (55442, 364020), (58360, 345819), (60670, 332652), (72804, 277210), (83163, 242680), (87540, 230546), (91005, 221768), (110884, 182010), (115273, 175080), (121340, 166326), (138605, 145608)]