30628980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 93405312

約数和(自身を除く): 62776332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 647, 789, 1052, 1294, 1315, 1578, 1941, 2367, 2588, 2630, 3156, 3235, 3882, 3945, 4734, 5260, 5823, 6470, 7764, 7890, 9468, 9705, 11646, 11835, 12940, 15780, 19410, 23292, 23670, 29115, 38820, 47340, 58230, 116460, 170161, 340322, 510483, 680644, 850805, 1020966, 1531449, 1701610, 2041932, 2552415, 3062898, 3403220, 5104830, 6125796, 7657245, 10209660, 15314490, 30628980]

約数ペア:

[(1, 30628980), (2, 15314490), (3, 10209660), (4, 7657245), (5, 6125796), (6, 5104830), (9, 3403220), (10, 3062898), (12, 2552415), (15, 2041932), (18, 1701610), (20, 1531449), (30, 1020966), (36, 850805), (45, 680644), (60, 510483), (90, 340322), (180, 170161), (263, 116460), (526, 58230), (647, 47340), (789, 38820), (1052, 29115), (1294, 23670), (1315, 23292), (1578, 19410), (1941, 15780), (2367, 12940), (2588, 11835), (2630, 11646), (3156, 9705), (3235, 9468), (3882, 7890), (3945, 7764), (4734, 6470), (5260, 5823)]