61218920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 158716800

約数和(自身を除く): 97497880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1669, 1834, 2620, 3338, 3668, 4585, 5240, 6676, 7336, 8345, 9170, 11683, 13352, 16690, 18340, 23366, 33380, 36680, 46732, 58415, 66760, 93464, 116830, 218639, 233660, 437278, 467320, 874556, 1093195, 1530473, 1749112, 2186390, 3060946, 4372780, 6121892, 7652365, 8745560, 12243784, 15304730, 30609460, 61218920]

約数ペア:

[(1, 61218920), (2, 30609460), (4, 15304730), (5, 12243784), (7, 8745560), (8, 7652365), (10, 6121892), (14, 4372780), (20, 3060946), (28, 2186390), (35, 1749112), (40, 1530473), (56, 1093195), (70, 874556), (131, 467320), (140, 437278), (262, 233660), (280, 218639), (524, 116830), (655, 93464), (917, 66760), (1048, 58415), (1310, 46732), (1669, 36680), (1834, 33380), (2620, 23366), (3338, 18340), (3668, 16690), (4585, 13352), (5240, 11683), (6676, 9170), (7336, 8345)]