217779240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2423}}^1$

素因数の和:2551

約数の個数: 128

約数和(自身を含む): 753960960

約数和(自身を除く): 536181720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 840, 856, 1070, 1284, 1498, 1605, 2140, 2247, 2423, 2568, 2996, 3210, 3745, 4280, 4494, 4846, 5992, 6420, 7269, 7490, 8988, 9692, 11235, 12115, 12840, 14538, 14980, 16961, 17976, 19384, 22470, 24230, 29076, 29960, 33922, 36345, 44940, 48460, 50883, 58152, 67844, 72690, 84805, 89880, 96920, 101766, 135688, 145380, 169610, 203532, 254415, 259261, 290760, 339220, 407064, 508830, 518522, 678440, 777783, 1017660, 1037044, 1296305, 1555566, 1814827, 2035320, 2074088, 2592610, 3111132, 3629654, 3888915, 5185220, 5444481, 6222264, 7259308, 7777830, 9074135, 10370440, 10888962, 14518616, 15555660, 18148270, 21777924, 27222405, 31111320, 36296540, 43555848, 54444810, 72593080, 108889620, 217779240]

約数ペア:

[(1, 217779240), (2, 108889620), (3, 72593080), (4, 54444810), (5, 43555848), (6, 36296540), (7, 31111320), (8, 27222405), (10, 21777924), (12, 18148270), (14, 15555660), (15, 14518616), (20, 10888962), (21, 10370440), (24, 9074135), (28, 7777830), (30, 7259308), (35, 6222264), (40, 5444481), (42, 5185220), (56, 3888915), (60, 3629654), (70, 3111132), (84, 2592610), (105, 2074088), (107, 2035320), (120, 1814827), (140, 1555566), (168, 1296305), (210, 1037044), (214, 1017660), (280, 777783), (321, 678440), (420, 518522), (428, 508830), (535, 407064), (642, 339220), (749, 290760), (840, 259261), (856, 254415), (1070, 203532), (1284, 169610), (1498, 145380), (1605, 135688), (2140, 101766), (2247, 96920), (2423, 89880), (2568, 84805), (2996, 72690), (3210, 67844), (3745, 58152), (4280, 50883), (4494, 48460), (4846, 44940), (5992, 36345), (6420, 33922), (7269, 29960), (7490, 29076), (8988, 24230), (9692, 22470), (11235, 19384), (12115, 17976), (12840, 16961), (14538, 14980)]