1815590980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{6379}}^1$

素因数の和:6521

約数の個数: 96

約数和(自身を含む): 4630348800

約数和(自身を除く): 2814757820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 107, 133, 140, 190, 214, 266, 380, 428, 532, 535, 665, 749, 1070, 1330, 1498, 2033, 2140, 2660, 2996, 3745, 4066, 6379, 7490, 8132, 10165, 12758, 14231, 14980, 20330, 25516, 28462, 31895, 40660, 44653, 56924, 63790, 71155, 89306, 121201, 127580, 142310, 178612, 223265, 242402, 284620, 446530, 484804, 606005, 682553, 848407, 893060, 1212010, 1365106, 1696814, 2424020, 2730212, 3393628, 3412765, 4242035, 4777871, 6825530, 8484070, 9555742, 12968507, 13651060, 16968140, 19111484, 23889355, 25937014, 47778710, 51874028, 64842535, 90779549, 95557420, 129685070, 181559098, 259370140, 363118196, 453897745, 907795490, 1815590980]

約数ペア:

[(1, 1815590980), (2, 907795490), (4, 453897745), (5, 363118196), (7, 259370140), (10, 181559098), (14, 129685070), (19, 95557420), (20, 90779549), (28, 64842535), (35, 51874028), (38, 47778710), (70, 25937014), (76, 23889355), (95, 19111484), (107, 16968140), (133, 13651060), (140, 12968507), (190, 9555742), (214, 8484070), (266, 6825530), (380, 4777871), (428, 4242035), (532, 3412765), (535, 3393628), (665, 2730212), (749, 2424020), (1070, 1696814), (1330, 1365106), (1498, 1212010), (2033, 893060), (2140, 848407), (2660, 682553), (2996, 606005), (3745, 484804), (4066, 446530), (6379, 284620), (7490, 242402), (8132, 223265), (10165, 178612), (12758, 142310), (14231, 127580), (14980, 121201), (20330, 89306), (25516, 71155), (28462, 63790), (31895, 56924), (40660, 44653)]