123112810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 242611200

約数和(自身を除く): 119498390

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 89, 103, 158, 170, 178, 206, 395, 445, 515, 790, 890, 1030, 1343, 1513, 1751, 2686, 3026, 3502, 6715, 7031, 7565, 8137, 8755, 9167, 13430, 14062, 15130, 16274, 17510, 18334, 35155, 40685, 45835, 70310, 81370, 91670, 119527, 138329, 155839, 239054, 276658, 311678, 597635, 691645, 724193, 779195, 1195270, 1383290, 1448386, 1558390, 3620965, 7241930, 12311281, 24622562, 61556405, 123112810]

約数ペア:

[(1, 123112810), (2, 61556405), (5, 24622562), (10, 12311281), (17, 7241930), (34, 3620965), (79, 1558390), (85, 1448386), (89, 1383290), (103, 1195270), (158, 779195), (170, 724193), (178, 691645), (206, 597635), (395, 311678), (445, 276658), (515, 239054), (790, 155839), (890, 138329), (1030, 119527), (1343, 91670), (1513, 81370), (1751, 70310), (2686, 45835), (3026, 40685), (3502, 35155), (6715, 18334), (7031, 17510), (7565, 16274), (8137, 15130), (8755, 14062), (9167, 13430)]