257832540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12037}}^1$

素因数の和:12076

約数の個数: 144

約数和(自身を含む): 946475712

約数和(自身を除く): 688643172

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, 12037, 21420, 24074, 36111, 48148, 60185, 72222, 84259, 108333, 120370, 144444, 168518, 180555, 204629, 216666, 240740, 252777, 337036, 361110, 409258, 421295, 433332, 505554, 541665, 613887, 722220, 758331, 818516, 842590, 1011108, 1023145, 1083330, 1227774, 1263885, 1432403, 1516662, 1685180, 1841661, 2046290, 2166660, 2455548, 2527770, 2864806, 3033324, 3069435, 3683322, 3791655, 4092580, 4297209, 5055540, 5729612, 6138870, 7162015, 7366644, 7583310, 8594418, 9208305, 12277740, 12891627, 14324030, 15166620, 17188836, 18416610, 21486045, 25783254, 28648060, 36833220, 42972090, 51566508, 64458135, 85944180, 128916270, 257832540]

約数ペア:

[(1, 257832540), (2, 128916270), (3, 85944180), (4, 64458135), (5, 51566508), (6, 42972090), (7, 36833220), (9, 28648060), (10, 25783254), (12, 21486045), (14, 18416610), (15, 17188836), (17, 15166620), (18, 14324030), (20, 12891627), (21, 12277740), (28, 9208305), (30, 8594418), (34, 7583310), (35, 7366644), (36, 7162015), (42, 6138870), (45, 5729612), (51, 5055540), (60, 4297209), (63, 4092580), (68, 3791655), (70, 3683322), (84, 3069435), (85, 3033324), (90, 2864806), (102, 2527770), (105, 2455548), (119, 2166660), (126, 2046290), (140, 1841661), (153, 1685180), (170, 1516662), (180, 1432403), (204, 1263885), (210, 1227774), (238, 1083330), (252, 1023145), (255, 1011108), (306, 842590), (315, 818516), (340, 758331), (357, 722220), (420, 613887), (476, 541665), (510, 505554), (595, 433332), (612, 421295), (630, 409258), (714, 361110), (765, 337036), (1020, 252777), (1071, 240740), (1190, 216666), (1260, 204629), (1428, 180555), (1530, 168518), (1785, 144444), (2142, 120370), (2380, 108333), (3060, 84259), (3570, 72222), (4284, 60185), (5355, 48148), (7140, 36111), (10710, 24074), (12037, 21420)]