30291760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4793}}^1$

素因数の和:4885

約数の個数: 40

約数和(自身を含む): 71334720

約数和(自身を除く): 41042960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4793, 6320, 9586, 19172, 23965, 38344, 47930, 76688, 95860, 191720, 378647, 383440, 757294, 1514588, 1893235, 3029176, 3786470, 6058352, 7572940, 15145880, 30291760]

約数ペア:

[(1, 30291760), (2, 15145880), (4, 7572940), (5, 6058352), (8, 3786470), (10, 3029176), (16, 1893235), (20, 1514588), (40, 757294), (79, 383440), (80, 378647), (158, 191720), (316, 95860), (395, 76688), (632, 47930), (790, 38344), (1264, 23965), (1580, 19172), (3160, 9586), (4793, 6320)]