51506520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 168315840

約数和(自身を除く): 116809320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 137, 156, 195, 241, 260, 274, 312, 390, 411, 482, 520, 548, 685, 723, 780, 822, 964, 1096, 1205, 1370, 1446, 1560, 1644, 1781, 1928, 2055, 2410, 2740, 2892, 3133, 3288, 3562, 3615, 4110, 4820, 5343, 5480, 5784, 6266, 7124, 7230, 8220, 8905, 9399, 9640, 10686, 12532, 14248, 14460, 15665, 16440, 17810, 18798, 21372, 25064, 26715, 28920, 31330, 33017, 35620, 37596, 42744, 46995, 53430, 62660, 66034, 71240, 75192, 93990, 99051, 106860, 125320, 132068, 165085, 187980, 198102, 213720, 264136, 330170, 375960, 396204, 429221, 495255, 660340, 792408, 858442, 990510, 1287663, 1320680, 1716884, 1981020, 2146105, 2575326, 3433768, 3962040, 4292210, 5150652, 6438315, 8584420, 10301304, 12876630, 17168840, 25753260, 51506520]

約数ペア:

[(1, 51506520), (2, 25753260), (3, 17168840), (4, 12876630), (5, 10301304), (6, 8584420), (8, 6438315), (10, 5150652), (12, 4292210), (13, 3962040), (15, 3433768), (20, 2575326), (24, 2146105), (26, 1981020), (30, 1716884), (39, 1320680), (40, 1287663), (52, 990510), (60, 858442), (65, 792408), (78, 660340), (104, 495255), (120, 429221), (130, 396204), (137, 375960), (156, 330170), (195, 264136), (241, 213720), (260, 198102), (274, 187980), (312, 165085), (390, 132068), (411, 125320), (482, 106860), (520, 99051), (548, 93990), (685, 75192), (723, 71240), (780, 66034), (822, 62660), (964, 53430), (1096, 46995), (1205, 42744), (1370, 37596), (1446, 35620), (1560, 33017), (1644, 31330), (1781, 28920), (1928, 26715), (2055, 25064), (2410, 21372), (2740, 18798), (2892, 17810), (3133, 16440), (3288, 15665), (3562, 14460), (3615, 14248), (4110, 12532), (4820, 10686), (5343, 9640), (5480, 9399), (5784, 8905), (6266, 8220), (7124, 7230)]