808210780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 1886068800

約数和(自身を除く): 1077858020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 89, 106, 130, 178, 212, 260, 265, 356, 445, 530, 659, 689, 890, 1060, 1157, 1318, 1378, 1780, 2314, 2636, 2756, 3295, 3445, 4628, 4717, 5785, 6590, 6890, 8567, 9434, 11570, 13180, 13780, 17134, 18868, 23140, 23585, 34268, 34927, 42835, 47170, 58651, 61321, 69854, 85670, 94340, 117302, 122642, 139708, 171340, 174635, 234604, 245284, 293255, 306605, 349270, 454051, 586510, 613210, 698540, 762463, 908102, 1173020, 1226420, 1524926, 1816204, 2270255, 3049852, 3108503, 3812315, 4540510, 6217006, 7624630, 9081020, 12434012, 15249260, 15542515, 31085030, 40410539, 62170060, 80821078, 161642156, 202052695, 404105390, 808210780]

約数ペア:

[(1, 808210780), (2, 404105390), (4, 202052695), (5, 161642156), (10, 80821078), (13, 62170060), (20, 40410539), (26, 31085030), (52, 15542515), (53, 15249260), (65, 12434012), (89, 9081020), (106, 7624630), (130, 6217006), (178, 4540510), (212, 3812315), (260, 3108503), (265, 3049852), (356, 2270255), (445, 1816204), (530, 1524926), (659, 1226420), (689, 1173020), (890, 908102), (1060, 762463), (1157, 698540), (1318, 613210), (1378, 586510), (1780, 454051), (2314, 349270), (2636, 306605), (2756, 293255), (3295, 245284), (3445, 234604), (4628, 174635), (4717, 171340), (5785, 139708), (6590, 122642), (6890, 117302), (8567, 94340), (9434, 85670), (11570, 69854), (13180, 61321), (13780, 58651), (17134, 47170), (18868, 42835), (23140, 34927), (23585, 34268)]