28836420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1663}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 85822464

約数和(自身を除く): 56986044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1663, 1734, 2890, 3326, 3468, 4335, 4989, 5780, 6652, 8315, 8670, 9978, 16630, 17340, 19956, 24945, 28271, 33260, 49890, 56542, 84813, 99780, 113084, 141355, 169626, 282710, 339252, 424065, 480607, 565420, 848130, 961214, 1441821, 1696260, 1922428, 2403035, 2883642, 4806070, 5767284, 7209105, 9612140, 14418210, 28836420]

約数ペア:

[(1, 28836420), (2, 14418210), (3, 9612140), (4, 7209105), (5, 5767284), (6, 4806070), (10, 2883642), (12, 2403035), (15, 1922428), (17, 1696260), (20, 1441821), (30, 961214), (34, 848130), (51, 565420), (60, 480607), (68, 424065), (85, 339252), (102, 282710), (170, 169626), (204, 141355), (255, 113084), (289, 99780), (340, 84813), (510, 56542), (578, 49890), (867, 33260), (1020, 28271), (1156, 24945), (1445, 19956), (1663, 17340), (1734, 16630), (2890, 9978), (3326, 8670), (3468, 8315), (4335, 6652), (4989, 5780)]