2180245725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1777}}^1$

素因数の和:1860

約数の個数: 144

約数和(自身を含む): 4815108480

約数和(自身を除く): 2634862755

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 41, 45, 57, 63, 75, 95, 105, 123, 133, 171, 175, 205, 225, 285, 287, 315, 369, 399, 475, 525, 615, 665, 779, 855, 861, 1025, 1197, 1425, 1435, 1575, 1777, 1845, 1995, 2337, 2583, 3075, 3325, 3895, 4275, 4305, 5331, 5453, 5985, 7011, 7175, 8885, 9225, 9975, 11685, 12439, 12915, 15993, 16359, 19475, 21525, 26655, 27265, 29925, 33763, 35055, 37317, 44425, 49077, 58425, 62195, 64575, 72857, 79965, 81795, 101289, 111951, 133275, 136325, 168815, 175275, 186585, 218571, 236341, 245385, 303867, 310975, 364285, 399825, 408975, 506445, 509999, 559755, 655713, 709023, 844075, 932925, 1092855, 1181705, 1226925, 1384283, 1519335, 1529997, 1821425, 2127069, 2532225, 2549995, 2798775, 3278565, 3545115, 4152849, 4589991, 5464275, 5908525, 6921415, 7596675, 7649985, 9689981, 10635345, 12458547, 12749975, 16392825, 17725575, 20764245, 22949955, 29069943, 34607075, 38249925, 48449905, 53176725, 62292735, 87209829, 103821225, 114749775, 145349715, 242249525, 311463675, 436049145, 726748575, 2180245725]

約数ペア:

[(1, 2180245725), (3, 726748575), (5, 436049145), (7, 311463675), (9, 242249525), (15, 145349715), (19, 114749775), (21, 103821225), (25, 87209829), (35, 62292735), (41, 53176725), (45, 48449905), (57, 38249925), (63, 34607075), (75, 29069943), (95, 22949955), (105, 20764245), (123, 17725575), (133, 16392825), (171, 12749975), (175, 12458547), (205, 10635345), (225, 9689981), (285, 7649985), (287, 7596675), (315, 6921415), (369, 5908525), (399, 5464275), (475, 4589991), (525, 4152849), (615, 3545115), (665, 3278565), (779, 2798775), (855, 2549995), (861, 2532225), (1025, 2127069), (1197, 1821425), (1425, 1529997), (1435, 1519335), (1575, 1384283), (1777, 1226925), (1845, 1181705), (1995, 1092855), (2337, 932925), (2583, 844075), (3075, 709023), (3325, 655713), (3895, 559755), (4275, 509999), (4305, 506445), (5331, 408975), (5453, 399825), (5985, 364285), (7011, 310975), (7175, 303867), (8885, 245385), (9225, 236341), (9975, 218571), (11685, 186585), (12439, 175275), (12915, 168815), (15993, 136325), (16359, 133275), (19475, 111951), (21525, 101289), (26655, 81795), (27265, 79965), (29925, 72857), (33763, 64575), (35055, 62195), (37317, 58425), (44425, 49077)]