220080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 785664

約数和(自身を除く): 565584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 240, 262, 280, 336, 393, 420, 524, 560, 655, 786, 840, 917, 1048, 1310, 1572, 1680, 1834, 1965, 2096, 2620, 2751, 3144, 3668, 3930, 4585, 5240, 5502, 6288, 7336, 7860, 9170, 10480, 11004, 13755, 14672, 15720, 18340, 22008, 27510, 31440, 36680, 44016, 55020, 73360, 110040, 220080]

約数ペア:

[(1, 220080), (2, 110040), (3, 73360), (4, 55020), (5, 44016), (6, 36680), (7, 31440), (8, 27510), (10, 22008), (12, 18340), (14, 15720), (15, 14672), (16, 13755), (20, 11004), (21, 10480), (24, 9170), (28, 7860), (30, 7336), (35, 6288), (40, 5502), (42, 5240), (48, 4585), (56, 3930), (60, 3668), (70, 3144), (80, 2751), (84, 2620), (105, 2096), (112, 1965), (120, 1834), (131, 1680), (140, 1572), (168, 1310), (210, 1048), (240, 917), (262, 840), (280, 786), (336, 655), (393, 560), (420, 524)]