31563180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 144

約数和(自身を含む): 110073600

約数和(自身を除く): 78510420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 839, 855, 990, 1045, 1140, 1254, 1678, 1710, 1881, 1980, 2090, 2508, 2517, 3135, 3356, 3420, 3762, 4180, 4195, 5034, 6270, 7524, 7551, 8390, 9229, 9405, 10068, 12540, 12585, 15102, 15941, 16780, 18458, 18810, 25170, 27687, 30204, 31882, 36916, 37620, 37755, 46145, 47823, 50340, 55374, 63764, 75510, 79705, 83061, 92290, 95646, 110748, 138435, 143469, 151020, 159410, 166122, 175351, 184580, 191292, 239115, 276870, 286938, 318820, 332244, 350702, 415305, 478230, 526053, 553740, 573876, 701404, 717345, 830610, 876755, 956460, 1052106, 1434690, 1578159, 1661220, 1753510, 2104212, 2630265, 2869380, 3156318, 3507020, 5260530, 6312636, 7890795, 10521060, 15781590, 31563180]

約数ペア:

[(1, 31563180), (2, 15781590), (3, 10521060), (4, 7890795), (5, 6312636), (6, 5260530), (9, 3507020), (10, 3156318), (11, 2869380), (12, 2630265), (15, 2104212), (18, 1753510), (19, 1661220), (20, 1578159), (22, 1434690), (30, 1052106), (33, 956460), (36, 876755), (38, 830610), (44, 717345), (45, 701404), (55, 573876), (57, 553740), (60, 526053), (66, 478230), (76, 415305), (90, 350702), (95, 332244), (99, 318820), (110, 286938), (114, 276870), (132, 239115), (165, 191292), (171, 184580), (180, 175351), (190, 166122), (198, 159410), (209, 151020), (220, 143469), (228, 138435), (285, 110748), (330, 95646), (342, 92290), (380, 83061), (396, 79705), (418, 75510), (495, 63764), (570, 55374), (627, 50340), (660, 47823), (684, 46145), (836, 37755), (839, 37620), (855, 36916), (990, 31882), (1045, 30204), (1140, 27687), (1254, 25170), (1678, 18810), (1710, 18458), (1881, 16780), (1980, 15941), (2090, 15102), (2508, 12585), (2517, 12540), (3135, 10068), (3356, 9405), (3420, 9229), (3762, 8390), (4180, 7551), (4195, 7524), (5034, 6270)]