31308480

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1553}}^1$

素因数の和:1583

約数の個数: 168

約数和(自身を含む): 123151392

約数和(自身を除く): 91842912

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, 1553, 1680, 2016, 2240, 2520, 2880, 3106, 3360, 4032, 4659, 5040, 6212, 6720, 7765, 9318, 10080, 10871, 12424, 13977, 15530, 18636, 20160, 21742, 23295, 24848, 27954, 31060, 32613, 37272, 43484, 46590, 49696, 54355, 55908, 62120, 65226, 69885, 74544, 86968, 93180, 97839, 99392, 108710, 111816, 124240, 130452, 139770, 149088, 163065, 173936, 186360, 195678, 217420, 223632, 248480, 260904, 279540, 298176, 326130, 347872, 372720, 391356, 434840, 447264, 489195, 496960, 521808, 559080, 652260, 695744, 745440, 782712, 869680, 894528, 978390, 1043616, 1118160, 1304520, 1490880, 1565424, 1739360, 1956780, 2087232, 2236320, 2609040, 3130848, 3478720, 3913560, 4472640, 5218080, 6261696, 7827120, 10436160, 15654240, 31308480]

約数ペア:

[(1, 31308480), (2, 15654240), (3, 10436160), (4, 7827120), (5, 6261696), (6, 5218080), (7, 4472640), (8, 3913560), (9, 3478720), (10, 3130848), (12, 2609040), (14, 2236320), (15, 2087232), (16, 1956780), (18, 1739360), (20, 1565424), (21, 1490880), (24, 1304520), (28, 1118160), (30, 1043616), (32, 978390), (35, 894528), (36, 869680), (40, 782712), (42, 745440), (45, 695744), (48, 652260), (56, 559080), (60, 521808), (63, 496960), (64, 489195), (70, 447264), (72, 434840), (80, 391356), (84, 372720), (90, 347872), (96, 326130), (105, 298176), (112, 279540), (120, 260904), (126, 248480), (140, 223632), (144, 217420), (160, 195678), (168, 186360), (180, 173936), (192, 163065), (210, 149088), (224, 139770), (240, 130452), (252, 124240), (280, 111816), (288, 108710), (315, 99392), (320, 97839), (336, 93180), (360, 86968), (420, 74544), (448, 69885), (480, 65226), (504, 62120), (560, 55908), (576, 54355), (630, 49696), (672, 46590), (720, 43484), (840, 37272), (960, 32613), (1008, 31060), (1120, 27954), (1260, 24848), (1344, 23295), (1440, 21742), (1553, 20160), (1680, 18636), (2016, 15530), (2240, 13977), (2520, 12424), (2880, 10871), (3106, 10080), (3360, 9318), (4032, 7765), (4659, 6720), (5040, 6212)]