28605660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{971}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 80341632

約数和(自身を除く): 51735972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 971, 982, 1473, 1942, 1964, 2455, 2913, 2946, 3884, 4855, 4910, 5826, 5892, 7365, 9710, 9820, 11652, 14565, 14730, 19420, 29130, 29460, 58260, 476761, 953522, 1430283, 1907044, 2383805, 2860566, 4767610, 5721132, 7151415, 9535220, 14302830, 28605660]

約数ペア:

[(1, 28605660), (2, 14302830), (3, 9535220), (4, 7151415), (5, 5721132), (6, 4767610), (10, 2860566), (12, 2383805), (15, 1907044), (20, 1430283), (30, 953522), (60, 476761), (491, 58260), (971, 29460), (982, 29130), (1473, 19420), (1942, 14730), (1964, 14565), (2455, 11652), (2913, 9820), (2946, 9710), (3884, 7365), (4855, 5892), (4910, 5826)]