280038780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3767}}^1$

素因数の和:3848

約数の個数: 144

約数和(自身を含む): 987517440

約数和(自身を除く): 707478660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2478, 2655, 3540, 3717, 3767, 4130, 4956, 5310, 6195, 7434, 7534, 8260, 10620, 11301, 12390, 14868, 15068, 18585, 18835, 22602, 24780, 26369, 33903, 37170, 37670, 45204, 52738, 56505, 67806, 74340, 75340, 79107, 105476, 113010, 131845, 135612, 158214, 169515, 222253, 226020, 237321, 263690, 316428, 339030, 395535, 444506, 474642, 527380, 666759, 678060, 791070, 889012, 949284, 1111265, 1186605, 1333518, 1555771, 1582140, 2000277, 2222530, 2373210, 2667036, 3111542, 3333795, 4000554, 4445060, 4667313, 4746420, 6223084, 6667590, 7778855, 8001108, 9334626, 10001385, 13335180, 14001939, 15557710, 18669252, 20002770, 23336565, 28003878, 31115420, 40005540, 46673130, 56007756, 70009695, 93346260, 140019390, 280038780]

約数ペア:

[(1, 280038780), (2, 140019390), (3, 93346260), (4, 70009695), (5, 56007756), (6, 46673130), (7, 40005540), (9, 31115420), (10, 28003878), (12, 23336565), (14, 20002770), (15, 18669252), (18, 15557710), (20, 14001939), (21, 13335180), (28, 10001385), (30, 9334626), (35, 8001108), (36, 7778855), (42, 6667590), (45, 6223084), (59, 4746420), (60, 4667313), (63, 4445060), (70, 4000554), (84, 3333795), (90, 3111542), (105, 2667036), (118, 2373210), (126, 2222530), (140, 2000277), (177, 1582140), (180, 1555771), (210, 1333518), (236, 1186605), (252, 1111265), (295, 949284), (315, 889012), (354, 791070), (413, 678060), (420, 666759), (531, 527380), (590, 474642), (630, 444506), (708, 395535), (826, 339030), (885, 316428), (1062, 263690), (1180, 237321), (1239, 226020), (1260, 222253), (1652, 169515), (1770, 158214), (2065, 135612), (2124, 131845), (2478, 113010), (2655, 105476), (3540, 79107), (3717, 75340), (3767, 74340), (4130, 67806), (4956, 56505), (5310, 52738), (6195, 45204), (7434, 37670), (7534, 37170), (8260, 33903), (10620, 26369), (11301, 24780), (12390, 22602), (14868, 18835), (15068, 18585)]