278766180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20113}}^1$

素因数の和:20146

約数の個数: 144

約数和(自身を含む): 1054295424

約数和(自身を除く): 775529244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 20113, 40226, 60339, 80452, 100565, 120678, 140791, 181017, 201130, 221243, 241356, 281582, 301695, 362034, 402260, 422373, 442486, 563164, 603390, 663729, 703955, 724068, 844746, 884972, 905085, 1106215, 1206780, 1267119, 1327458, 1407910, 1548701, 1689492, 1810170, 1991187, 2111865, 2212430, 2534238, 2654916, 2815820, 3097402, 3318645, 3620340, 3982374, 4223730, 4424860, 4646103, 5068476, 6194804, 6335595, 6637290, 7743505, 7964748, 8447460, 9292206, 9955935, 12671190, 13274580, 13938309, 15487010, 18584412, 19911870, 23230515, 25342380, 27876618, 30974020, 39823740, 46461030, 55753236, 69691545, 92922060, 139383090, 278766180]

約数ペア:

[(1, 278766180), (2, 139383090), (3, 92922060), (4, 69691545), (5, 55753236), (6, 46461030), (7, 39823740), (9, 30974020), (10, 27876618), (11, 25342380), (12, 23230515), (14, 19911870), (15, 18584412), (18, 15487010), (20, 13938309), (21, 13274580), (22, 12671190), (28, 9955935), (30, 9292206), (33, 8447460), (35, 7964748), (36, 7743505), (42, 6637290), (44, 6335595), (45, 6194804), (55, 5068476), (60, 4646103), (63, 4424860), (66, 4223730), (70, 3982374), (77, 3620340), (84, 3318645), (90, 3097402), (99, 2815820), (105, 2654916), (110, 2534238), (126, 2212430), (132, 2111865), (140, 1991187), (154, 1810170), (165, 1689492), (180, 1548701), (198, 1407910), (210, 1327458), (220, 1267119), (231, 1206780), (252, 1106215), (308, 905085), (315, 884972), (330, 844746), (385, 724068), (396, 703955), (420, 663729), (462, 603390), (495, 563164), (630, 442486), (660, 422373), (693, 402260), (770, 362034), (924, 301695), (990, 281582), (1155, 241356), (1260, 221243), (1386, 201130), (1540, 181017), (1980, 140791), (2310, 120678), (2772, 100565), (3465, 80452), (4620, 60339), (6930, 40226), (13860, 20113)]