51151500

素因数分解:

$2^2\times 3^5\times 5^3\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 167739936

約数和(自身を除く): 116588436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 243, 250, 270, 300, 324, 375, 405, 421, 450, 486, 500, 540, 675, 750, 810, 842, 900, 972, 1125, 1215, 1263, 1350, 1500, 1620, 1684, 2025, 2105, 2250, 2430, 2526, 2700, 3375, 3789, 4050, 4210, 4500, 4860, 5052, 6075, 6315, 6750, 7578, 8100, 8420, 10125, 10525, 11367, 12150, 12630, 13500, 15156, 18945, 20250, 21050, 22734, 24300, 25260, 30375, 31575, 34101, 37890, 40500, 42100, 45468, 52625, 56835, 60750, 63150, 68202, 75780, 94725, 102303, 105250, 113670, 121500, 126300, 136404, 157875, 170505, 189450, 204606, 210500, 227340, 284175, 315750, 341010, 378900, 409212, 473625, 511515, 568350, 631500, 682020, 852525, 947250, 1023030, 1136700, 1420875, 1705050, 1894500, 2046060, 2557575, 2841750, 3410100, 4262625, 5115150, 5683500, 8525250, 10230300, 12787875, 17050500, 25575750, 51151500]

約数ペア:

[(1, 51151500), (2, 25575750), (3, 17050500), (4, 12787875), (5, 10230300), (6, 8525250), (9, 5683500), (10, 5115150), (12, 4262625), (15, 3410100), (18, 2841750), (20, 2557575), (25, 2046060), (27, 1894500), (30, 1705050), (36, 1420875), (45, 1136700), (50, 1023030), (54, 947250), (60, 852525), (75, 682020), (81, 631500), (90, 568350), (100, 511515), (108, 473625), (125, 409212), (135, 378900), (150, 341010), (162, 315750), (180, 284175), (225, 227340), (243, 210500), (250, 204606), (270, 189450), (300, 170505), (324, 157875), (375, 136404), (405, 126300), (421, 121500), (450, 113670), (486, 105250), (500, 102303), (540, 94725), (675, 75780), (750, 68202), (810, 63150), (842, 60750), (900, 56835), (972, 52625), (1125, 45468), (1215, 42100), (1263, 40500), (1350, 37890), (1500, 34101), (1620, 31575), (1684, 30375), (2025, 25260), (2105, 24300), (2250, 22734), (2430, 21050), (2526, 20250), (2700, 18945), (3375, 15156), (3789, 13500), (4050, 12630), (4210, 12150), (4500, 11367), (4860, 10525), (5052, 10125), (6075, 8420), (6315, 8100), (6750, 7578)]