28491660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9311}}^1$

素因数の和:9343

約数の個数: 72

約数和(自身を含む): 91518336

約数和(自身を除く): 63026676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 9311, 18622, 27933, 37244, 46555, 55866, 83799, 93110, 111732, 139665, 158287, 167598, 186220, 279330, 316574, 335196, 418995, 474861, 558660, 633148, 791435, 837990, 949722, 1424583, 1582870, 1675980, 1899444, 2374305, 2849166, 3165740, 4748610, 5698332, 7122915, 9497220, 14245830, 28491660]

約数ペア:

[(1, 28491660), (2, 14245830), (3, 9497220), (4, 7122915), (5, 5698332), (6, 4748610), (9, 3165740), (10, 2849166), (12, 2374305), (15, 1899444), (17, 1675980), (18, 1582870), (20, 1424583), (30, 949722), (34, 837990), (36, 791435), (45, 633148), (51, 558660), (60, 474861), (68, 418995), (85, 335196), (90, 316574), (102, 279330), (153, 186220), (170, 167598), (180, 158287), (204, 139665), (255, 111732), (306, 93110), (340, 83799), (510, 55866), (612, 46555), (765, 37244), (1020, 27933), (1530, 18622), (3060, 9311)]