251973720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1289}}^1$

素因数の和:1490

約数の個数: 128

約数和(自身を含む): 845208000

約数和(自身を除く): 593234280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 540, 543, 724, 905, 1080, 1086, 1289, 1448, 1629, 1810, 2172, 2578, 2715, 3258, 3620, 3867, 4344, 4887, 5156, 5430, 6445, 6516, 7240, 7734, 8145, 9774, 10312, 10860, 11601, 12890, 13032, 15468, 16290, 19335, 19548, 21720, 23202, 24435, 25780, 30936, 32580, 34803, 38670, 39096, 46404, 48870, 51560, 58005, 65160, 69606, 77340, 92808, 97740, 116010, 139212, 154680, 174015, 195480, 232020, 233309, 278424, 348030, 464040, 466618, 696060, 699927, 933236, 1166545, 1392120, 1399854, 1866472, 2099781, 2333090, 2799708, 3499635, 4199562, 4666180, 5599416, 6299343, 6999270, 8399124, 9332360, 10498905, 12598686, 13998540, 16798248, 20997810, 25197372, 27997080, 31496715, 41995620, 50394744, 62993430, 83991240, 125986860, 251973720]

約数ペア:

[(1, 251973720), (2, 125986860), (3, 83991240), (4, 62993430), (5, 50394744), (6, 41995620), (8, 31496715), (9, 27997080), (10, 25197372), (12, 20997810), (15, 16798248), (18, 13998540), (20, 12598686), (24, 10498905), (27, 9332360), (30, 8399124), (36, 6999270), (40, 6299343), (45, 5599416), (54, 4666180), (60, 4199562), (72, 3499635), (90, 2799708), (108, 2333090), (120, 2099781), (135, 1866472), (180, 1399854), (181, 1392120), (216, 1166545), (270, 933236), (360, 699927), (362, 696060), (540, 466618), (543, 464040), (724, 348030), (905, 278424), (1080, 233309), (1086, 232020), (1289, 195480), (1448, 174015), (1629, 154680), (1810, 139212), (2172, 116010), (2578, 97740), (2715, 92808), (3258, 77340), (3620, 69606), (3867, 65160), (4344, 58005), (4887, 51560), (5156, 48870), (5430, 46404), (6445, 39096), (6516, 38670), (7240, 34803), (7734, 32580), (8145, 30936), (9774, 25780), (10312, 24435), (10860, 23202), (11601, 21720), (12890, 19548), (13032, 19335), (15468, 16290)]