131835760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 351781056

約数和(自身を除く): 219945296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 397, 560, 593, 794, 1186, 1588, 1985, 2372, 2779, 2965, 3176, 3970, 4151, 4744, 5558, 5930, 6352, 7940, 8302, 9488, 11116, 11860, 13895, 15880, 16604, 20755, 22232, 23720, 27790, 31760, 33208, 41510, 44464, 47440, 55580, 66416, 83020, 111160, 166040, 222320, 235421, 332080, 470842, 941684, 1177105, 1647947, 1883368, 2354210, 3295894, 3766736, 4708420, 6591788, 8239735, 9416840, 13183576, 16479470, 18833680, 26367152, 32958940, 65917880, 131835760]

約数ペア:

[(1, 131835760), (2, 65917880), (4, 32958940), (5, 26367152), (7, 18833680), (8, 16479470), (10, 13183576), (14, 9416840), (16, 8239735), (20, 6591788), (28, 4708420), (35, 3766736), (40, 3295894), (56, 2354210), (70, 1883368), (80, 1647947), (112, 1177105), (140, 941684), (280, 470842), (397, 332080), (560, 235421), (593, 222320), (794, 166040), (1186, 111160), (1588, 83020), (1985, 66416), (2372, 55580), (2779, 47440), (2965, 44464), (3176, 41510), (3970, 33208), (4151, 31760), (4744, 27790), (5558, 23720), (5930, 22232), (6352, 20755), (7940, 16604), (8302, 15880), (9488, 13895), (11116, 11860)]