399026880

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19793}}^1$

素因数の和:19823

約数の個数: 168

約数和(自身を含む): 1568634912

約数和(自身を除く): 1169608032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 19793, 20160, 39586, 59379, 79172, 98965, 118758, 138551, 158344, 178137, 197930, 237516, 277102, 296895, 316688, 356274, 395860, 415653, 475032, 554204, 593790, 633376, 692755, 712548, 791720, 831306, 890685, 950064, 1108408, 1187580, 1246959, 1266752, 1385510, 1425096, 1583440, 1662612, 1781370, 1900128, 2078265, 2216816, 2375160, 2493918, 2771020, 2850192, 3166880, 3325224, 3562740, 3800256, 4156530, 4433632, 4750320, 4987836, 5542040, 5700384, 6234795, 6333760, 6650448, 7125480, 8313060, 8867264, 9500640, 9975672, 11084080, 11400768, 12469590, 13300896, 14250960, 16626120, 19001280, 19951344, 22168160, 24939180, 26601792, 28501920, 33252240, 39902688, 44336320, 49878360, 57003840, 66504480, 79805376, 99756720, 133008960, 199513440, 399026880]

約数ペア:

[(1, 399026880), (2, 199513440), (3, 133008960), (4, 99756720), (5, 79805376), (6, 66504480), (7, 57003840), (8, 49878360), (9, 44336320), (10, 39902688), (12, 33252240), (14, 28501920), (15, 26601792), (16, 24939180), (18, 22168160), (20, 19951344), (21, 19001280), (24, 16626120), (28, 14250960), (30, 13300896), (32, 12469590), (35, 11400768), (36, 11084080), (40, 9975672), (42, 9500640), (45, 8867264), (48, 8313060), (56, 7125480), (60, 6650448), (63, 6333760), (64, 6234795), (70, 5700384), (72, 5542040), (80, 4987836), (84, 4750320), (90, 4433632), (96, 4156530), (105, 3800256), (112, 3562740), (120, 3325224), (126, 3166880), (140, 2850192), (144, 2771020), (160, 2493918), (168, 2375160), (180, 2216816), (192, 2078265), (210, 1900128), (224, 1781370), (240, 1662612), (252, 1583440), (280, 1425096), (288, 1385510), (315, 1266752), (320, 1246959), (336, 1187580), (360, 1108408), (420, 950064), (448, 890685), (480, 831306), (504, 791720), (560, 712548), (576, 692755), (630, 633376), (672, 593790), (720, 554204), (840, 475032), (960, 415653), (1008, 395860), (1120, 356274), (1260, 316688), (1344, 296895), (1440, 277102), (1680, 237516), (2016, 197930), (2240, 178137), (2520, 158344), (2880, 138551), (3360, 118758), (4032, 98965), (5040, 79172), (6720, 59379), (10080, 39586), (19793, 20160)]