18974478180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^2\times {\mathrm{2801}}^1$

素因数の和:3074

約数の個数: 144

約数和(自身を含む): 61222041216

約数和(自身を除く): 42247563036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 381, 420, 508, 635, 762, 889, 1270, 1524, 1778, 1905, 2540, 2667, 2801, 3556, 3810, 4445, 5334, 5602, 7620, 8403, 8890, 10668, 11204, 13335, 14005, 16129, 16806, 17780, 19607, 26670, 28010, 32258, 33612, 39214, 42015, 48387, 53340, 56020, 58821, 64516, 78428, 80645, 84030, 96774, 98035, 112903, 117642, 161290, 168060, 193548, 196070, 225806, 235284, 241935, 294105, 322580, 338709, 355727, 392140, 451612, 483870, 564515, 588210, 677418, 711454, 967740, 1067181, 1129030, 1176420, 1354836, 1422908, 1693545, 1778635, 2134362, 2258060, 2490089, 3387090, 3557270, 4268724, 4980178, 5335905, 6774180, 7114540, 7470267, 9960356, 10671810, 12450445, 14940534, 21343620, 24900890, 29881068, 37351335, 45177329, 49801780, 74702670, 90354658, 135531987, 149405340, 180709316, 225886645, 271063974, 316241303, 451773290, 542127948, 632482606, 677659935, 903546580, 948723909, 1264965212, 1355319870, 1581206515, 1897447818, 2710639740, 3162413030, 3794895636, 4743619545, 6324826060, 9487239090, 18974478180]

約数ペア:

[(1, 18974478180), (2, 9487239090), (3, 6324826060), (4, 4743619545), (5, 3794895636), (6, 3162413030), (7, 2710639740), (10, 1897447818), (12, 1581206515), (14, 1355319870), (15, 1264965212), (20, 948723909), (21, 903546580), (28, 677659935), (30, 632482606), (35, 542127948), (42, 451773290), (60, 316241303), (70, 271063974), (84, 225886645), (105, 180709316), (127, 149405340), (140, 135531987), (210, 90354658), (254, 74702670), (381, 49801780), (420, 45177329), (508, 37351335), (635, 29881068), (762, 24900890), (889, 21343620), (1270, 14940534), (1524, 12450445), (1778, 10671810), (1905, 9960356), (2540, 7470267), (2667, 7114540), (2801, 6774180), (3556, 5335905), (3810, 4980178), (4445, 4268724), (5334, 3557270), (5602, 3387090), (7620, 2490089), (8403, 2258060), (8890, 2134362), (10668, 1778635), (11204, 1693545), (13335, 1422908), (14005, 1354836), (16129, 1176420), (16806, 1129030), (17780, 1067181), (19607, 967740), (26670, 711454), (28010, 677418), (32258, 588210), (33612, 564515), (39214, 483870), (42015, 451612), (48387, 392140), (53340, 355727), (56020, 338709), (58821, 322580), (64516, 294105), (78428, 241935), (80645, 235284), (84030, 225806), (96774, 196070), (98035, 193548), (112903, 168060), (117642, 161290)]