638653380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2169

約数の個数: 96

約数和(自身を含む): 1838807040

約数和(自身を除く): 1200153660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 79, 134, 158, 201, 237, 268, 316, 335, 395, 402, 474, 670, 790, 804, 948, 1005, 1185, 1340, 1580, 2010, 2011, 2370, 4020, 4022, 4740, 5293, 6033, 8044, 10055, 10586, 12066, 15879, 20110, 21172, 24132, 26465, 30165, 31758, 40220, 52930, 60330, 63516, 79395, 105860, 120660, 134737, 158790, 158869, 269474, 317580, 317738, 404211, 476607, 538948, 635476, 673685, 794345, 808422, 953214, 1347370, 1588690, 1616844, 1906428, 2021055, 2383035, 2694740, 3177380, 4042110, 4766070, 8084220, 9532140, 10644223, 21288446, 31932669, 42576892, 53221115, 63865338, 106442230, 127730676, 159663345, 212884460, 319326690, 638653380]

約数ペア:

[(1, 638653380), (2, 319326690), (3, 212884460), (4, 159663345), (5, 127730676), (6, 106442230), (10, 63865338), (12, 53221115), (15, 42576892), (20, 31932669), (30, 21288446), (60, 10644223), (67, 9532140), (79, 8084220), (134, 4766070), (158, 4042110), (201, 3177380), (237, 2694740), (268, 2383035), (316, 2021055), (335, 1906428), (395, 1616844), (402, 1588690), (474, 1347370), (670, 953214), (790, 808422), (804, 794345), (948, 673685), (1005, 635476), (1185, 538948), (1340, 476607), (1580, 404211), (2010, 317738), (2011, 317580), (2370, 269474), (4020, 158869), (4022, 158790), (4740, 134737), (5293, 120660), (6033, 105860), (8044, 79395), (10055, 63516), (10586, 60330), (12066, 52930), (15879, 40220), (20110, 31758), (21172, 30165), (24132, 26465)]