51788520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20551}}^1$

素因数の和:20575

約数の個数: 96

約数和(自身を含む): 192366720

約数和(自身を除く): 140578200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 20551, 41102, 61653, 82204, 102755, 123306, 143857, 164408, 184959, 205510, 246612, 287714, 308265, 369918, 411020, 431571, 493224, 575428, 616530, 719285, 739836, 822040, 863142, 924795, 1150856, 1233060, 1294713, 1438570, 1479672, 1726284, 1849590, 2157855, 2466120, 2589426, 2877140, 3452568, 3699180, 4315710, 5178852, 5754280, 6473565, 7398360, 8631420, 10357704, 12947130, 17262840, 25894260, 51788520]

約数ペア:

[(1, 51788520), (2, 25894260), (3, 17262840), (4, 12947130), (5, 10357704), (6, 8631420), (7, 7398360), (8, 6473565), (9, 5754280), (10, 5178852), (12, 4315710), (14, 3699180), (15, 3452568), (18, 2877140), (20, 2589426), (21, 2466120), (24, 2157855), (28, 1849590), (30, 1726284), (35, 1479672), (36, 1438570), (40, 1294713), (42, 1233060), (45, 1150856), (56, 924795), (60, 863142), (63, 822040), (70, 739836), (72, 719285), (84, 616530), (90, 575428), (105, 493224), (120, 431571), (126, 411020), (140, 369918), (168, 308265), (180, 287714), (210, 246612), (252, 205510), (280, 184959), (315, 164408), (360, 143857), (420, 123306), (504, 102755), (630, 82204), (840, 61653), (1260, 41102), (2520, 20551)]