51528780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{613}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 156894192

約数和(自身を除く): 105365412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 467, 613, 934, 1226, 1401, 1839, 1868, 2335, 2452, 2802, 3065, 3678, 4203, 4670, 5517, 5604, 6130, 7005, 7356, 8406, 9195, 9340, 11034, 12260, 14010, 16812, 18390, 21015, 22068, 27585, 28020, 36780, 42030, 55170, 84060, 110340, 286271, 572542, 858813, 1145084, 1431355, 1717626, 2576439, 2862710, 3435252, 4294065, 5152878, 5725420, 8588130, 10305756, 12882195, 17176260, 25764390, 51528780]

約数ペア:

[(1, 51528780), (2, 25764390), (3, 17176260), (4, 12882195), (5, 10305756), (6, 8588130), (9, 5725420), (10, 5152878), (12, 4294065), (15, 3435252), (18, 2862710), (20, 2576439), (30, 1717626), (36, 1431355), (45, 1145084), (60, 858813), (90, 572542), (180, 286271), (467, 110340), (613, 84060), (934, 55170), (1226, 42030), (1401, 36780), (1839, 28020), (1868, 27585), (2335, 22068), (2452, 21015), (2802, 18390), (3065, 16812), (3678, 14010), (4203, 12260), (4670, 11034), (5517, 9340), (5604, 9195), (6130, 8406), (7005, 7356)]