221257680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131701}}^1$

素因数の和:131724

約数の個数: 80

約数和(自身を含む): 783890304

約数和(自身を除く): 562632624

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, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131701, 263402, 395103, 526804, 658505, 790206, 921907, 1053608, 1317010, 1580412, 1843814, 1975515, 2107216, 2634020, 2765721, 3160824, 3687628, 3951030, 4609535, 5268040, 5531442, 6321648, 7375256, 7902060, 9219070, 10536080, 11062884, 13828605, 14750512, 15804120, 18438140, 22125768, 27657210, 31608240, 36876280, 44251536, 55314420, 73752560, 110628840, 221257680]

約数ペア:

[(1, 221257680), (2, 110628840), (3, 73752560), (4, 55314420), (5, 44251536), (6, 36876280), (7, 31608240), (8, 27657210), (10, 22125768), (12, 18438140), (14, 15804120), (15, 14750512), (16, 13828605), (20, 11062884), (21, 10536080), (24, 9219070), (28, 7902060), (30, 7375256), (35, 6321648), (40, 5531442), (42, 5268040), (48, 4609535), (56, 3951030), (60, 3687628), (70, 3160824), (80, 2765721), (84, 2634020), (105, 2107216), (112, 1975515), (120, 1843814), (140, 1580412), (168, 1317010), (210, 1053608), (240, 921907), (280, 790206), (336, 658505), (420, 526804), (560, 395103), (840, 263402), (1680, 131701)]