31638420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 114135840

約数和(自身を除く): 82497420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 29, 30, 33, 36, 38, 44, 45, 55, 57, 58, 60, 66, 76, 87, 90, 95, 99, 110, 114, 116, 132, 145, 165, 171, 174, 180, 190, 198, 209, 220, 228, 261, 285, 290, 319, 330, 342, 348, 380, 396, 418, 435, 495, 522, 551, 570, 580, 627, 638, 660, 684, 836, 841, 855, 870, 957, 990, 1044, 1045, 1102, 1140, 1254, 1276, 1305, 1595, 1653, 1682, 1710, 1740, 1881, 1914, 1980, 2090, 2204, 2508, 2523, 2610, 2755, 2871, 3135, 3190, 3306, 3364, 3420, 3762, 3828, 4180, 4205, 4785, 4959, 5046, 5220, 5510, 5742, 6061, 6270, 6380, 6612, 7524, 7569, 8265, 8410, 9251, 9405, 9570, 9918, 10092, 11020, 11484, 12122, 12540, 12615, 14355, 15138, 15979, 16530, 16820, 18183, 18502, 18810, 19140, 19836, 24244, 24795, 25230, 27753, 28710, 30276, 30305, 31958, 33060, 36366, 37004, 37620, 37845, 46255, 47937, 49590, 50460, 54549, 55506, 57420, 60610, 63916, 72732, 75690, 79895, 83259, 90915, 92510, 95874, 99180, 109098, 111012, 121220, 138765, 143811, 151380, 159790, 166518, 175769, 181830, 185020, 191748, 218196, 239685, 272745, 277530, 287622, 319580, 333036, 351538, 363660, 416295, 479370, 527307, 545490, 555060, 575244, 703076, 719055, 832590, 878845, 958740, 1054614, 1090980, 1438110, 1581921, 1665180, 1757690, 2109228, 2636535, 2876220, 3163842, 3515380, 5273070, 6327684, 7909605, 10546140, 15819210, 31638420]

約数ペア:

[(1, 31638420), (2, 15819210), (3, 10546140), (4, 7909605), (5, 6327684), (6, 5273070), (9, 3515380), (10, 3163842), (11, 2876220), (12, 2636535), (15, 2109228), (18, 1757690), (19, 1665180), (20, 1581921), (22, 1438110), (29, 1090980), (30, 1054614), (33, 958740), (36, 878845), (38, 832590), (44, 719055), (45, 703076), (55, 575244), (57, 555060), (58, 545490), (60, 527307), (66, 479370), (76, 416295), (87, 363660), (90, 351538), (95, 333036), (99, 319580), (110, 287622), (114, 277530), (116, 272745), (132, 239685), (145, 218196), (165, 191748), (171, 185020), (174, 181830), (180, 175769), (190, 166518), (198, 159790), (209, 151380), (220, 143811), (228, 138765), (261, 121220), (285, 111012), (290, 109098), (319, 99180), (330, 95874), (342, 92510), (348, 90915), (380, 83259), (396, 79895), (418, 75690), (435, 72732), (495, 63916), (522, 60610), (551, 57420), (570, 55506), (580, 54549), (627, 50460), (638, 49590), (660, 47937), (684, 46255), (836, 37845), (841, 37620), (855, 37004), (870, 36366), (957, 33060), (990, 31958), (1044, 30305), (1045, 30276), (1102, 28710), (1140, 27753), (1254, 25230), (1276, 24795), (1305, 24244), (1595, 19836), (1653, 19140), (1682, 18810), (1710, 18502), (1740, 18183), (1881, 16820), (1914, 16530), (1980, 15979), (2090, 15138), (2204, 14355), (2508, 12615), (2523, 12540), (2610, 12122), (2755, 11484), (2871, 11020), (3135, 10092), (3190, 9918), (3306, 9570), (3364, 9405), (3420, 9251), (3762, 8410), (3828, 8265), (4180, 7569), (4205, 7524), (4785, 6612), (4959, 6380), (5046, 6270), (5220, 6061), (5510, 5742)]