40378380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 130400256

約数和(自身を除く): 90021876

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, 757, 762, 889, 1270, 1514, 1524, 1778, 1905, 2271, 2540, 2667, 3028, 3556, 3785, 3810, 4445, 4542, 5299, 5334, 7570, 7620, 8890, 9084, 10598, 10668, 11355, 13335, 15140, 15897, 17780, 21196, 22710, 26495, 26670, 31794, 45420, 52990, 53340, 63588, 79485, 96139, 105980, 158970, 192278, 288417, 317940, 384556, 480695, 576834, 672973, 961390, 1153668, 1345946, 1442085, 1922780, 2018919, 2691892, 2884170, 3364865, 4037838, 5768340, 6729730, 8075676, 10094595, 13459460, 20189190, 40378380]

約数ペア:

[(1, 40378380), (2, 20189190), (3, 13459460), (4, 10094595), (5, 8075676), (6, 6729730), (7, 5768340), (10, 4037838), (12, 3364865), (14, 2884170), (15, 2691892), (20, 2018919), (21, 1922780), (28, 1442085), (30, 1345946), (35, 1153668), (42, 961390), (60, 672973), (70, 576834), (84, 480695), (105, 384556), (127, 317940), (140, 288417), (210, 192278), (254, 158970), (381, 105980), (420, 96139), (508, 79485), (635, 63588), (757, 53340), (762, 52990), (889, 45420), (1270, 31794), (1514, 26670), (1524, 26495), (1778, 22710), (1905, 21196), (2271, 17780), (2540, 15897), (2667, 15140), (3028, 13335), (3556, 11355), (3785, 10668), (3810, 10598), (4445, 9084), (4542, 8890), (5299, 7620), (5334, 7570)]