78891480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{219143}}^1$

素因数の和:219160

約数の個数: 48

約数和(自身を含む): 256398480

約数和(自身を除く): 177507000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 219143, 438286, 657429, 876572, 1095715, 1314858, 1753144, 1972287, 2191430, 2629716, 3287145, 3944574, 4382860, 5259432, 6574290, 7889148, 8765720, 9861435, 13148580, 15778296, 19722870, 26297160, 39445740, 78891480]

約数ペア:

[(1, 78891480), (2, 39445740), (3, 26297160), (4, 19722870), (5, 15778296), (6, 13148580), (8, 9861435), (9, 8765720), (10, 7889148), (12, 6574290), (15, 5259432), (18, 4382860), (20, 3944574), (24, 3287145), (30, 2629716), (36, 2191430), (40, 1972287), (45, 1753144), (60, 1314858), (72, 1095715), (90, 876572), (120, 657429), (180, 438286), (360, 219143)]