15538510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 17120690

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 79, 85, 89, 130, 158, 170, 178, 221, 395, 442, 445, 790, 890, 1027, 1105, 1157, 1343, 1513, 2054, 2210, 2314, 2686, 3026, 5135, 5785, 6715, 7031, 7565, 10270, 11570, 13430, 14062, 15130, 17459, 19669, 34918, 35155, 39338, 70310, 87295, 91403, 98345, 119527, 174590, 182806, 196690, 239054, 457015, 597635, 914030, 1195270, 1553851, 3107702, 7769255, 15538510]

約数ペア:

[(1, 15538510), (2, 7769255), (5, 3107702), (10, 1553851), (13, 1195270), (17, 914030), (26, 597635), (34, 457015), (65, 239054), (79, 196690), (85, 182806), (89, 174590), (130, 119527), (158, 98345), (170, 91403), (178, 87295), (221, 70310), (395, 39338), (442, 35155), (445, 34918), (790, 19669), (890, 17459), (1027, 15130), (1105, 14062), (1157, 13430), (1343, 11570), (1513, 10270), (2054, 7565), (2210, 7031), (2314, 6715), (2686, 5785), (3026, 5135)]