254619540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11887}}^1$

素因数の和:11926

約数の個数: 144

約数和(自身を含む): 934682112

約数和(自身を除く): 680062572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 11887, 21420, 23774, 35661, 47548, 59435, 71322, 83209, 106983, 118870, 142644, 166418, 178305, 202079, 213966, 237740, 249627, 332836, 356610, 404158, 416045, 427932, 499254, 534915, 606237, 713220, 748881, 808316, 832090, 998508, 1010395, 1069830, 1212474, 1248135, 1414553, 1497762, 1664180, 1818711, 2020790, 2139660, 2424948, 2496270, 2829106, 2995524, 3031185, 3637422, 3744405, 4041580, 4243659, 4992540, 5658212, 6062370, 7072765, 7274844, 7488810, 8487318, 9093555, 12124740, 12730977, 14145530, 14977620, 16974636, 18187110, 21218295, 25461954, 28291060, 36374220, 42436590, 50923908, 63654885, 84873180, 127309770, 254619540]

約数ペア:

[(1, 254619540), (2, 127309770), (3, 84873180), (4, 63654885), (5, 50923908), (6, 42436590), (7, 36374220), (9, 28291060), (10, 25461954), (12, 21218295), (14, 18187110), (15, 16974636), (17, 14977620), (18, 14145530), (20, 12730977), (21, 12124740), (28, 9093555), (30, 8487318), (34, 7488810), (35, 7274844), (36, 7072765), (42, 6062370), (45, 5658212), (51, 4992540), (60, 4243659), (63, 4041580), (68, 3744405), (70, 3637422), (84, 3031185), (85, 2995524), (90, 2829106), (102, 2496270), (105, 2424948), (119, 2139660), (126, 2020790), (140, 1818711), (153, 1664180), (170, 1497762), (180, 1414553), (204, 1248135), (210, 1212474), (238, 1069830), (252, 1010395), (255, 998508), (306, 832090), (315, 808316), (340, 748881), (357, 713220), (420, 606237), (476, 534915), (510, 499254), (595, 427932), (612, 416045), (630, 404158), (714, 356610), (765, 332836), (1020, 249627), (1071, 237740), (1190, 213966), (1260, 202079), (1428, 178305), (1530, 166418), (1785, 142644), (2142, 118870), (2380, 106983), (3060, 83209), (3570, 71322), (4284, 59435), (5355, 47548), (7140, 35661), (10710, 23774), (11887, 21420)]