28528380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9323}}^1$

素因数の和:9355

約数の個数: 72

約数和(自身を含む): 91636272

約数和(自身を除く): 63107892

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, 9323, 18646, 27969, 37292, 46615, 55938, 83907, 93230, 111876, 139845, 158491, 167814, 186460, 279690, 316982, 335628, 419535, 475473, 559380, 633964, 792455, 839070, 950946, 1426419, 1584910, 1678140, 1901892, 2377365, 2852838, 3169820, 4754730, 5705676, 7132095, 9509460, 14264190, 28528380]

約数ペア:

[(1, 28528380), (2, 14264190), (3, 9509460), (4, 7132095), (5, 5705676), (6, 4754730), (9, 3169820), (10, 2852838), (12, 2377365), (15, 1901892), (17, 1678140), (18, 1584910), (20, 1426419), (30, 950946), (34, 839070), (36, 792455), (45, 633964), (51, 559380), (60, 475473), (68, 419535), (85, 335628), (90, 316982), (102, 279690), (153, 186460), (170, 167814), (180, 158491), (204, 139845), (255, 111876), (306, 93230), (340, 83907), (510, 55938), (612, 46615), (765, 37292), (1020, 27969), (1530, 18646), (3060, 9323)]