7488180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{283}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 27195840

約数和(自身を除く): 19707660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 283, 294, 315, 378, 420, 441, 490, 540, 566, 588, 630, 735, 756, 849, 882, 945, 980, 1132, 1260, 1323, 1415, 1470, 1698, 1764, 1890, 1981, 2205, 2547, 2646, 2830, 2940, 3396, 3780, 3962, 4245, 4410, 5094, 5292, 5660, 5943, 6615, 7641, 7924, 8490, 8820, 9905, 10188, 11886, 12735, 13230, 13867, 15282, 16980, 17829, 19810, 23772, 25470, 26460, 27734, 29715, 30564, 35658, 38205, 39620, 41601, 50940, 53487, 55468, 59430, 69335, 71316, 76410, 83202, 89145, 106974, 118860, 124803, 138670, 152820, 166404, 178290, 208005, 213948, 249606, 267435, 277340, 356580, 374409, 416010, 499212, 534870, 624015, 748818, 832020, 1069740, 1248030, 1497636, 1872045, 2496060, 3744090, 7488180]

約数ペア:

[(1, 7488180), (2, 3744090), (3, 2496060), (4, 1872045), (5, 1497636), (6, 1248030), (7, 1069740), (9, 832020), (10, 748818), (12, 624015), (14, 534870), (15, 499212), (18, 416010), (20, 374409), (21, 356580), (27, 277340), (28, 267435), (30, 249606), (35, 213948), (36, 208005), (42, 178290), (45, 166404), (49, 152820), (54, 138670), (60, 124803), (63, 118860), (70, 106974), (84, 89145), (90, 83202), (98, 76410), (105, 71316), (108, 69335), (126, 59430), (135, 55468), (140, 53487), (147, 50940), (180, 41601), (189, 39620), (196, 38205), (210, 35658), (245, 30564), (252, 29715), (270, 27734), (283, 26460), (294, 25470), (315, 23772), (378, 19810), (420, 17829), (441, 16980), (490, 15282), (540, 13867), (566, 13230), (588, 12735), (630, 11886), (735, 10188), (756, 9905), (849, 8820), (882, 8490), (945, 7924), (980, 7641), (1132, 6615), (1260, 5943), (1323, 5660), (1415, 5292), (1470, 5094), (1698, 4410), (1764, 4245), (1890, 3962), (1981, 3780), (2205, 3396), (2547, 2940), (2646, 2830)]