28207590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 50174490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 41, 51, 57, 71, 82, 85, 95, 102, 114, 123, 142, 170, 190, 205, 213, 246, 255, 285, 323, 355, 410, 426, 510, 570, 615, 646, 697, 710, 779, 969, 1065, 1207, 1230, 1349, 1394, 1558, 1615, 1938, 2091, 2130, 2337, 2414, 2698, 2911, 3230, 3485, 3621, 3895, 4047, 4182, 4674, 4845, 5822, 6035, 6745, 6970, 7242, 7790, 8094, 8733, 9690, 10455, 11685, 12070, 13243, 13490, 14555, 17466, 18105, 20235, 20910, 22933, 23370, 26486, 29110, 36210, 39729, 40470, 43665, 45866, 49487, 55309, 66215, 68799, 79458, 87330, 98974, 110618, 114665, 132430, 137598, 148461, 165927, 198645, 229330, 247435, 276545, 296922, 331854, 343995, 397290, 494870, 553090, 687990, 742305, 829635, 940253, 1484610, 1659270, 1880506, 2820759, 4701265, 5641518, 9402530, 14103795, 28207590]

約数ペア:

[(1, 28207590), (2, 14103795), (3, 9402530), (5, 5641518), (6, 4701265), (10, 2820759), (15, 1880506), (17, 1659270), (19, 1484610), (30, 940253), (34, 829635), (38, 742305), (41, 687990), (51, 553090), (57, 494870), (71, 397290), (82, 343995), (85, 331854), (95, 296922), (102, 276545), (114, 247435), (123, 229330), (142, 198645), (170, 165927), (190, 148461), (205, 137598), (213, 132430), (246, 114665), (255, 110618), (285, 98974), (323, 87330), (355, 79458), (410, 68799), (426, 66215), (510, 55309), (570, 49487), (615, 45866), (646, 43665), (697, 40470), (710, 39729), (779, 36210), (969, 29110), (1065, 26486), (1207, 23370), (1230, 22933), (1349, 20910), (1394, 20235), (1558, 18105), (1615, 17466), (1938, 14555), (2091, 13490), (2130, 13243), (2337, 12070), (2414, 11685), (2698, 10455), (2911, 9690), (3230, 8733), (3485, 8094), (3621, 7790), (3895, 7242), (4047, 6970), (4182, 6745), (4674, 6035), (4845, 5822)]