51818760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20563}}^1$

素因数の和:20587

約数の個数: 96

約数和(自身を含む): 192479040

約数和(自身を除く): 140660280

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, 20563, 41126, 61689, 82252, 102815, 123378, 143941, 164504, 185067, 205630, 246756, 287882, 308445, 370134, 411260, 431823, 493512, 575764, 616890, 719705, 740268, 822520, 863646, 925335, 1151528, 1233780, 1295469, 1439410, 1480536, 1727292, 1850670, 2159115, 2467560, 2590938, 2878820, 3454584, 3701340, 4318230, 5181876, 5757640, 6477345, 7402680, 8636460, 10363752, 12954690, 17272920, 25909380, 51818760]

約数ペア:

[(1, 51818760), (2, 25909380), (3, 17272920), (4, 12954690), (5, 10363752), (6, 8636460), (7, 7402680), (8, 6477345), (9, 5757640), (10, 5181876), (12, 4318230), (14, 3701340), (15, 3454584), (18, 2878820), (20, 2590938), (21, 2467560), (24, 2159115), (28, 1850670), (30, 1727292), (35, 1480536), (36, 1439410), (40, 1295469), (42, 1233780), (45, 1151528), (56, 925335), (60, 863646), (63, 822520), (70, 740268), (72, 719705), (84, 616890), (90, 575764), (105, 493512), (120, 431823), (126, 411260), (140, 370134), (168, 308445), (180, 287882), (210, 246756), (252, 205630), (280, 185067), (315, 164504), (360, 143941), (420, 123378), (504, 102815), (630, 82252), (840, 61689), (1260, 41126), (2520, 20563)]