15186780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 55823040

約数和(自身を除く): 40636260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 709, 714, 765, 1020, 1071, 1190, 1260, 1418, 1428, 1530, 1785, 2127, 2142, 2380, 2836, 3060, 3545, 3570, 4254, 4284, 4963, 5355, 6381, 7090, 7140, 8508, 9926, 10635, 10710, 12053, 12762, 14180, 14889, 19852, 21270, 21420, 24106, 24815, 25524, 29778, 31905, 36159, 42540, 44667, 48212, 49630, 59556, 60265, 63810, 72318, 74445, 84371, 89334, 99260, 108477, 120530, 127620, 144636, 148890, 168742, 178668, 180795, 216954, 223335, 241060, 253113, 297780, 337484, 361590, 421855, 433908, 446670, 506226, 542385, 723180, 759339, 843710, 893340, 1012452, 1084770, 1265565, 1518678, 1687420, 2169540, 2531130, 3037356, 3796695, 5062260, 7593390, 15186780]

約数ペア:

[(1, 15186780), (2, 7593390), (3, 5062260), (4, 3796695), (5, 3037356), (6, 2531130), (7, 2169540), (9, 1687420), (10, 1518678), (12, 1265565), (14, 1084770), (15, 1012452), (17, 893340), (18, 843710), (20, 759339), (21, 723180), (28, 542385), (30, 506226), (34, 446670), (35, 433908), (36, 421855), (42, 361590), (45, 337484), (51, 297780), (60, 253113), (63, 241060), (68, 223335), (70, 216954), (84, 180795), (85, 178668), (90, 168742), (102, 148890), (105, 144636), (119, 127620), (126, 120530), (140, 108477), (153, 99260), (170, 89334), (180, 84371), (204, 74445), (210, 72318), (238, 63810), (252, 60265), (255, 59556), (306, 49630), (315, 48212), (340, 44667), (357, 42540), (420, 36159), (476, 31905), (510, 29778), (595, 25524), (612, 24815), (630, 24106), (709, 21420), (714, 21270), (765, 19852), (1020, 14889), (1071, 14180), (1190, 12762), (1260, 12053), (1418, 10710), (1428, 10635), (1530, 9926), (1785, 8508), (2127, 7140), (2142, 7090), (2380, 6381), (2836, 5355), (3060, 4963), (3545, 4284), (3570, 4254)]