68788460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 167650560

約数和(自身を除く): 98862100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 79, 85, 130, 158, 170, 197, 221, 260, 316, 340, 394, 395, 442, 788, 790, 884, 985, 1027, 1105, 1343, 1580, 1970, 2054, 2210, 2561, 2686, 3349, 3940, 4108, 4420, 5122, 5135, 5372, 6698, 6715, 10244, 10270, 12805, 13396, 13430, 15563, 16745, 17459, 20540, 25610, 26860, 31126, 33490, 34918, 43537, 51220, 62252, 66980, 69836, 77815, 87074, 87295, 155630, 174148, 174590, 202319, 217685, 264571, 311260, 349180, 404638, 435370, 529142, 809276, 870740, 1011595, 1058284, 1322855, 2023190, 2645710, 3439423, 4046380, 5291420, 6878846, 13757692, 17197115, 34394230, 68788460]

約数ペア:

[(1, 68788460), (2, 34394230), (4, 17197115), (5, 13757692), (10, 6878846), (13, 5291420), (17, 4046380), (20, 3439423), (26, 2645710), (34, 2023190), (52, 1322855), (65, 1058284), (68, 1011595), (79, 870740), (85, 809276), (130, 529142), (158, 435370), (170, 404638), (197, 349180), (221, 311260), (260, 264571), (316, 217685), (340, 202319), (394, 174590), (395, 174148), (442, 155630), (788, 87295), (790, 87074), (884, 77815), (985, 69836), (1027, 66980), (1105, 62252), (1343, 51220), (1580, 43537), (1970, 34918), (2054, 33490), (2210, 31126), (2561, 26860), (2686, 25610), (3349, 20540), (3940, 17459), (4108, 16745), (4420, 15563), (5122, 13430), (5135, 13396), (5372, 12805), (6698, 10270), (6715, 10244)]