28271340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9239}}^1$

素因数の和:9271

約数の個数: 72

約数和(自身を含む): 90810720

約数和(自身を除く): 62539380

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, 9239, 18478, 27717, 36956, 46195, 55434, 83151, 92390, 110868, 138585, 157063, 166302, 184780, 277170, 314126, 332604, 415755, 471189, 554340, 628252, 785315, 831510, 942378, 1413567, 1570630, 1663020, 1884756, 2355945, 2827134, 3141260, 4711890, 5654268, 7067835, 9423780, 14135670, 28271340]

約数ペア:

[(1, 28271340), (2, 14135670), (3, 9423780), (4, 7067835), (5, 5654268), (6, 4711890), (9, 3141260), (10, 2827134), (12, 2355945), (15, 1884756), (17, 1663020), (18, 1570630), (20, 1413567), (30, 942378), (34, 831510), (36, 785315), (45, 628252), (51, 554340), (60, 471189), (68, 415755), (85, 332604), (90, 314126), (102, 277170), (153, 184780), (170, 166302), (180, 157063), (204, 138585), (255, 110868), (306, 92390), (340, 83151), (510, 55434), (612, 46195), (765, 36956), (1020, 27717), (1530, 18478), (3060, 9239)]