15505020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:601

約数の個数: 120

約数和(自身を含む): 51592464

約数和(自身を除く): 36087444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 563, 612, 765, 810, 918, 1020, 1126, 1377, 1530, 1620, 1689, 1836, 2252, 2295, 2754, 2815, 3060, 3378, 4590, 5067, 5508, 5630, 6756, 6885, 8445, 9180, 9571, 10134, 11260, 13770, 15201, 16890, 19142, 20268, 25335, 27540, 28713, 30402, 33780, 38284, 45603, 47855, 50670, 57426, 60804, 76005, 86139, 91206, 95710, 101340, 114852, 143565, 152010, 172278, 182412, 191420, 228015, 258417, 287130, 304020, 344556, 430695, 456030, 516834, 574260, 775251, 861390, 912060, 1033668, 1292085, 1550502, 1722780, 2584170, 3101004, 3876255, 5168340, 7752510, 15505020]

約数ペア:

[(1, 15505020), (2, 7752510), (3, 5168340), (4, 3876255), (5, 3101004), (6, 2584170), (9, 1722780), (10, 1550502), (12, 1292085), (15, 1033668), (17, 912060), (18, 861390), (20, 775251), (27, 574260), (30, 516834), (34, 456030), (36, 430695), (45, 344556), (51, 304020), (54, 287130), (60, 258417), (68, 228015), (81, 191420), (85, 182412), (90, 172278), (102, 152010), (108, 143565), (135, 114852), (153, 101340), (162, 95710), (170, 91206), (180, 86139), (204, 76005), (255, 60804), (270, 57426), (306, 50670), (324, 47855), (340, 45603), (405, 38284), (459, 33780), (510, 30402), (540, 28713), (563, 27540), (612, 25335), (765, 20268), (810, 19142), (918, 16890), (1020, 15201), (1126, 13770), (1377, 11260), (1530, 10134), (1620, 9571), (1689, 9180), (1836, 8445), (2252, 6885), (2295, 6756), (2754, 5630), (2815, 5508), (3060, 5067), (3378, 4590)]