51157980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1417

約数の個数: 120

約数和(自身を含む): 167584032

約数和(自身を除く): 116426052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 540, 621, 690, 810, 828, 1035, 1242, 1373, 1380, 1620, 1863, 2070, 2484, 2746, 3105, 3726, 4119, 4140, 5492, 6210, 6865, 7452, 8238, 9315, 12357, 12420, 13730, 16476, 18630, 20595, 24714, 27460, 31579, 37071, 37260, 41190, 49428, 61785, 63158, 74142, 82380, 94737, 111213, 123570, 126316, 148284, 157895, 185355, 189474, 222426, 247140, 284211, 315790, 370710, 378948, 444852, 473685, 556065, 568422, 631580, 741420, 852633, 947370, 1112130, 1136844, 1421055, 1705266, 1894740, 2224260, 2557899, 2842110, 3410532, 4263165, 5115798, 5684220, 8526330, 10231596, 12789495, 17052660, 25578990, 51157980]

約数ペア:

[(1, 51157980), (2, 25578990), (3, 17052660), (4, 12789495), (5, 10231596), (6, 8526330), (9, 5684220), (10, 5115798), (12, 4263165), (15, 3410532), (18, 2842110), (20, 2557899), (23, 2224260), (27, 1894740), (30, 1705266), (36, 1421055), (45, 1136844), (46, 1112130), (54, 947370), (60, 852633), (69, 741420), (81, 631580), (90, 568422), (92, 556065), (108, 473685), (115, 444852), (135, 378948), (138, 370710), (162, 315790), (180, 284211), (207, 247140), (230, 222426), (270, 189474), (276, 185355), (324, 157895), (345, 148284), (405, 126316), (414, 123570), (460, 111213), (540, 94737), (621, 82380), (690, 74142), (810, 63158), (828, 61785), (1035, 49428), (1242, 41190), (1373, 37260), (1380, 37071), (1620, 31579), (1863, 27460), (2070, 24714), (2484, 20595), (2746, 18630), (3105, 16476), (3726, 13730), (4119, 12420), (4140, 12357), (5492, 9315), (6210, 8238), (6865, 7452)]