15654240

素因数分解:

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

素因数の和:1581

約数の個数: 144

約数和(自身を含む): 61090848

約数和(自身を除く): 45436608

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1553, 1680, 2016, 2520, 3106, 3360, 4659, 5040, 6212, 7765, 9318, 10080, 10871, 12424, 13977, 15530, 18636, 21742, 23295, 24848, 27954, 31060, 32613, 37272, 43484, 46590, 49696, 54355, 55908, 62120, 65226, 69885, 74544, 86968, 93180, 97839, 108710, 111816, 124240, 130452, 139770, 149088, 163065, 173936, 186360, 195678, 217420, 223632, 248480, 260904, 279540, 326130, 347872, 372720, 391356, 434840, 447264, 489195, 521808, 559080, 652260, 745440, 782712, 869680, 978390, 1043616, 1118160, 1304520, 1565424, 1739360, 1956780, 2236320, 2609040, 3130848, 3913560, 5218080, 7827120, 15654240]

約数ペア:

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