208517880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3539}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 627004800

約数和(自身を除く): 418486920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2455, 2946, 3539, 3928, 4910, 5892, 7078, 7365, 9820, 10617, 11784, 14156, 14730, 17695, 19640, 21234, 28312, 29460, 35390, 42468, 53085, 58920, 70780, 84936, 106170, 141560, 212340, 424680, 1737649, 3475298, 5212947, 6950596, 8688245, 10425894, 13901192, 17376490, 20851788, 26064735, 34752980, 41703576, 52129470, 69505960, 104258940, 208517880]

約数ペア:

[(1, 208517880), (2, 104258940), (3, 69505960), (4, 52129470), (5, 41703576), (6, 34752980), (8, 26064735), (10, 20851788), (12, 17376490), (15, 13901192), (20, 10425894), (24, 8688245), (30, 6950596), (40, 5212947), (60, 3475298), (120, 1737649), (491, 424680), (982, 212340), (1473, 141560), (1964, 106170), (2455, 84936), (2946, 70780), (3539, 58920), (3928, 53085), (4910, 42468), (5892, 35390), (7078, 29460), (7365, 28312), (9820, 21234), (10617, 19640), (11784, 17695), (14156, 14730)]