987037020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:884

約数の個数: 144

約数和(自身を含む): 3074591520

約数和(自身を除く): 2087554500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 157, 159, 180, 212, 265, 314, 318, 471, 477, 530, 628, 636, 659, 785, 795, 942, 954, 1060, 1318, 1413, 1570, 1590, 1884, 1908, 1977, 2355, 2385, 2636, 2826, 3140, 3180, 3295, 3954, 4710, 4770, 5652, 5931, 6590, 7065, 7908, 8321, 9420, 9540, 9885, 11862, 13180, 14130, 16642, 19770, 23724, 24963, 28260, 29655, 33284, 34927, 39540, 41605, 49926, 59310, 69854, 74889, 83210, 99852, 103463, 104781, 118620, 124815, 139708, 149778, 166420, 174635, 206926, 209562, 249630, 299556, 310389, 314343, 349270, 374445, 413852, 419124, 499260, 517315, 523905, 620778, 628686, 698540, 748890, 931167, 1034630, 1047810, 1241556, 1257372, 1497780, 1551945, 1571715, 1862334, 2069260, 2095620, 3103890, 3143430, 3724668, 4655835, 5483539, 6207780, 6286860, 9311670, 10967078, 16450617, 18623340, 21934156, 27417695, 32901234, 49351851, 54835390, 65802468, 82253085, 98703702, 109670780, 164506170, 197407404, 246759255, 329012340, 493518510, 987037020]

約数ペア:

[(1, 987037020), (2, 493518510), (3, 329012340), (4, 246759255), (5, 197407404), (6, 164506170), (9, 109670780), (10, 98703702), (12, 82253085), (15, 65802468), (18, 54835390), (20, 49351851), (30, 32901234), (36, 27417695), (45, 21934156), (53, 18623340), (60, 16450617), (90, 10967078), (106, 9311670), (157, 6286860), (159, 6207780), (180, 5483539), (212, 4655835), (265, 3724668), (314, 3143430), (318, 3103890), (471, 2095620), (477, 2069260), (530, 1862334), (628, 1571715), (636, 1551945), (659, 1497780), (785, 1257372), (795, 1241556), (942, 1047810), (954, 1034630), (1060, 931167), (1318, 748890), (1413, 698540), (1570, 628686), (1590, 620778), (1884, 523905), (1908, 517315), (1977, 499260), (2355, 419124), (2385, 413852), (2636, 374445), (2826, 349270), (3140, 314343), (3180, 310389), (3295, 299556), (3954, 249630), (4710, 209562), (4770, 206926), (5652, 174635), (5931, 166420), (6590, 149778), (7065, 139708), (7908, 124815), (8321, 118620), (9420, 104781), (9540, 103463), (9885, 99852), (11862, 83210), (13180, 74889), (14130, 69854), (16642, 59310), (19770, 49926), (23724, 41605), (24963, 39540), (28260, 34927), (29655, 33284)]