81489687580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1\times {\mathrm{5197}}^1$

素因数の和:7643

約数の個数: 96

約数和(自身を含む): 199858692096

約数和(自身を除く): 118369004516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2383, 3290, 4766, 5197, 6580, 9532, 10394, 11915, 16681, 20788, 23830, 25985, 33362, 36379, 47660, 51970, 66724, 72758, 83405, 103940, 112001, 145516, 166810, 181895, 224002, 244259, 333620, 363790, 448004, 488518, 560005, 727580, 784007, 977036, 1120010, 1221295, 1568014, 1709813, 2240020, 2442590, 3136028, 3419626, 3920035, 4885180, 6839252, 7840070, 8549065, 12384451, 15680140, 17098130, 24768902, 34196260, 49537804, 61922255, 86691157, 123844510, 173382314, 247689020, 346764628, 433455785, 582069197, 866911570, 1164138394, 1733823140, 2328276788, 2910345985, 4074484379, 5820691970, 8148968758, 11641383940, 16297937516, 20372421895, 40744843790, 81489687580]

約数ペア:

[(1, 81489687580), (2, 40744843790), (4, 20372421895), (5, 16297937516), (7, 11641383940), (10, 8148968758), (14, 5820691970), (20, 4074484379), (28, 2910345985), (35, 2328276788), (47, 1733823140), (70, 1164138394), (94, 866911570), (140, 582069197), (188, 433455785), (235, 346764628), (329, 247689020), (470, 173382314), (658, 123844510), (940, 86691157), (1316, 61922255), (1645, 49537804), (2383, 34196260), (3290, 24768902), (4766, 17098130), (5197, 15680140), (6580, 12384451), (9532, 8549065), (10394, 7840070), (11915, 6839252), (16681, 4885180), (20788, 3920035), (23830, 3419626), (25985, 3136028), (33362, 2442590), (36379, 2240020), (47660, 1709813), (51970, 1568014), (66724, 1221295), (72758, 1120010), (83405, 977036), (103940, 784007), (112001, 727580), (145516, 560005), (166810, 488518), (181895, 448004), (224002, 363790), (244259, 333620)]