216651120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128959}}^1$

素因数の和:128982

約数の個数: 80

約数和(自身を含む): 767569920

約数和(自身を除く): 550918800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128959, 257918, 386877, 515836, 644795, 773754, 902713, 1031672, 1289590, 1547508, 1805426, 1934385, 2063344, 2579180, 2708139, 3095016, 3610852, 3868770, 4513565, 5158360, 5416278, 6190032, 7221704, 7737540, 9027130, 10316720, 10832556, 13540695, 14443408, 15475080, 18054260, 21665112, 27081390, 30950160, 36108520, 43330224, 54162780, 72217040, 108325560, 216651120]

約数ペア:

[(1, 216651120), (2, 108325560), (3, 72217040), (4, 54162780), (5, 43330224), (6, 36108520), (7, 30950160), (8, 27081390), (10, 21665112), (12, 18054260), (14, 15475080), (15, 14443408), (16, 13540695), (20, 10832556), (21, 10316720), (24, 9027130), (28, 7737540), (30, 7221704), (35, 6190032), (40, 5416278), (42, 5158360), (48, 4513565), (56, 3868770), (60, 3610852), (70, 3095016), (80, 2708139), (84, 2579180), (105, 2063344), (112, 1934385), (120, 1805426), (140, 1547508), (168, 1289590), (210, 1031672), (240, 902713), (280, 773754), (336, 644795), (420, 515836), (560, 386877), (840, 257918), (1680, 128959)]