161682780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20299

約数の個数: 96

約数和(自身を含む): 544642560

約数和(自身を除く): 382959780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 20261, 40522, 60783, 81044, 101305, 121566, 141827, 202610, 243132, 283654, 303915, 384959, 405220, 425481, 567308, 607830, 709135, 769918, 850962, 1154877, 1215660, 1418270, 1539836, 1701924, 1924795, 2127405, 2309754, 2694713, 2836540, 3849590, 4254810, 4619508, 5389426, 5774385, 7699180, 8084139, 8509620, 10778852, 11548770, 13473565, 16168278, 23097540, 26947130, 32336556, 40420695, 53894260, 80841390, 161682780]

約数ペア:

[(1, 161682780), (2, 80841390), (3, 53894260), (4, 40420695), (5, 32336556), (6, 26947130), (7, 23097540), (10, 16168278), (12, 13473565), (14, 11548770), (15, 10778852), (19, 8509620), (20, 8084139), (21, 7699180), (28, 5774385), (30, 5389426), (35, 4619508), (38, 4254810), (42, 3849590), (57, 2836540), (60, 2694713), (70, 2309754), (76, 2127405), (84, 1924795), (95, 1701924), (105, 1539836), (114, 1418270), (133, 1215660), (140, 1154877), (190, 850962), (210, 769918), (228, 709135), (266, 607830), (285, 567308), (380, 425481), (399, 405220), (420, 384959), (532, 303915), (570, 283654), (665, 243132), (798, 202610), (1140, 141827), (1330, 121566), (1596, 101305), (1995, 81044), (2660, 60783), (3990, 40522), (7980, 20261)]