28027560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1291

約数の個数: 128

約数和(自身を含む): 97200000

約数和(自身を除く): 69172440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1249, 1320, 1496, 1870, 2040, 2244, 2498, 2805, 3740, 3747, 4488, 4996, 5610, 6245, 7480, 7494, 9992, 11220, 12490, 13739, 14988, 18735, 21233, 22440, 24980, 27478, 29976, 37470, 41217, 42466, 49960, 54956, 63699, 68695, 74940, 82434, 84932, 106165, 109912, 127398, 137390, 149880, 164868, 169864, 206085, 212330, 233563, 254796, 274780, 318495, 329736, 412170, 424660, 467126, 509592, 549560, 636990, 700689, 824340, 849320, 934252, 1167815, 1273980, 1401378, 1648680, 1868504, 2335630, 2547960, 2802756, 3503445, 4671260, 5605512, 7006890, 9342520, 14013780, 28027560]

約数ペア:

[(1, 28027560), (2, 14013780), (3, 9342520), (4, 7006890), (5, 5605512), (6, 4671260), (8, 3503445), (10, 2802756), (11, 2547960), (12, 2335630), (15, 1868504), (17, 1648680), (20, 1401378), (22, 1273980), (24, 1167815), (30, 934252), (33, 849320), (34, 824340), (40, 700689), (44, 636990), (51, 549560), (55, 509592), (60, 467126), (66, 424660), (68, 412170), (85, 329736), (88, 318495), (102, 274780), (110, 254796), (120, 233563), (132, 212330), (136, 206085), (165, 169864), (170, 164868), (187, 149880), (204, 137390), (220, 127398), (255, 109912), (264, 106165), (330, 84932), (340, 82434), (374, 74940), (408, 68695), (440, 63699), (510, 54956), (561, 49960), (660, 42466), (680, 41217), (748, 37470), (935, 29976), (1020, 27478), (1122, 24980), (1249, 22440), (1320, 21233), (1496, 18735), (1870, 14988), (2040, 13739), (2244, 12490), (2498, 11220), (2805, 9992), (3740, 7494), (3747, 7480), (4488, 6245), (4996, 5610)]