1640461776

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1\times {\mathrm{971}}^1$

素因数の和:1620

約数の個数: 80

約数和(自身を含む): 4319241408

約数和(自身を除く): 2678779632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 577, 732, 971, 976, 1154, 1464, 1731, 1942, 2308, 2913, 2928, 3462, 3884, 4616, 5826, 6924, 7768, 9232, 11652, 13848, 15536, 23304, 27696, 35197, 46608, 59231, 70394, 105591, 118462, 140788, 177693, 211182, 236924, 281576, 355386, 422364, 473848, 560267, 563152, 710772, 844728, 947696, 1120534, 1421544, 1680801, 1689456, 2241068, 2843088, 3361602, 4482136, 6723204, 8964272, 13446408, 26892816, 34176287, 68352574, 102528861, 136705148, 205057722, 273410296, 410115444, 546820592, 820230888, 1640461776]

約数ペア:

[(1, 1640461776), (2, 820230888), (3, 546820592), (4, 410115444), (6, 273410296), (8, 205057722), (12, 136705148), (16, 102528861), (24, 68352574), (48, 34176287), (61, 26892816), (122, 13446408), (183, 8964272), (244, 6723204), (366, 4482136), (488, 3361602), (577, 2843088), (732, 2241068), (971, 1689456), (976, 1680801), (1154, 1421544), (1464, 1120534), (1731, 947696), (1942, 844728), (2308, 710772), (2913, 563152), (2928, 560267), (3462, 473848), (3884, 422364), (4616, 355386), (5826, 281576), (6924, 236924), (7768, 211182), (9232, 177693), (11652, 140788), (13848, 118462), (15536, 105591), (23304, 70394), (27696, 59231), (35197, 46608)]