20153822080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{13591}}^1$

素因数の和:13948

約数の個数: 128

約数和(自身を含む): 55233538560

約数和(自身を除く): 35079716480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 331, 448, 560, 640, 662, 896, 1120, 1324, 1655, 2240, 2317, 2648, 3310, 4480, 4634, 5296, 6620, 9268, 10592, 11585, 13240, 13591, 18536, 21184, 23170, 26480, 27182, 37072, 42368, 46340, 52960, 54364, 67955, 74144, 92680, 95137, 105920, 108728, 135910, 148288, 185360, 190274, 211840, 217456, 271820, 296576, 370720, 380548, 434912, 475685, 543640, 741440, 761096, 869824, 951370, 1087280, 1482880, 1522192, 1739648, 1902740, 2174560, 3044384, 3805480, 4349120, 4498621, 6088768, 7610960, 8698240, 8997242, 12177536, 15221920, 17994484, 22493105, 30443840, 31490347, 35988968, 44986210, 60887680, 62980694, 71977936, 89972420, 125961388, 143955872, 157451735, 179944840, 251922776, 287911744, 314903470, 359889680, 503845552, 575823488, 629806940, 719779360, 1007691104, 1259613880, 1439558720, 2015382208, 2519227760, 2879117440, 4030764416, 5038455520, 10076911040, 20153822080]

約数ペア:

[(1, 20153822080), (2, 10076911040), (4, 5038455520), (5, 4030764416), (7, 2879117440), (8, 2519227760), (10, 2015382208), (14, 1439558720), (16, 1259613880), (20, 1007691104), (28, 719779360), (32, 629806940), (35, 575823488), (40, 503845552), (56, 359889680), (64, 314903470), (70, 287911744), (80, 251922776), (112, 179944840), (128, 157451735), (140, 143955872), (160, 125961388), (224, 89972420), (280, 71977936), (320, 62980694), (331, 60887680), (448, 44986210), (560, 35988968), (640, 31490347), (662, 30443840), (896, 22493105), (1120, 17994484), (1324, 15221920), (1655, 12177536), (2240, 8997242), (2317, 8698240), (2648, 7610960), (3310, 6088768), (4480, 4498621), (4634, 4349120), (5296, 3805480), (6620, 3044384), (9268, 2174560), (10592, 1902740), (11585, 1739648), (13240, 1522192), (13591, 1482880), (18536, 1087280), (21184, 951370), (23170, 869824), (26480, 761096), (27182, 741440), (37072, 543640), (42368, 475685), (46340, 434912), (52960, 380548), (54364, 370720), (67955, 296576), (74144, 271820), (92680, 217456), (95137, 211840), (105920, 190274), (108728, 185360), (135910, 148288)]