311094720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1123

約数の個数: 168

約数和(自身を含む): 1080942720

約数和(自身を除く): 769848000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 144, 160, 180, 192, 218, 240, 288, 320, 327, 360, 436, 480, 545, 576, 654, 720, 872, 960, 981, 991, 1090, 1308, 1440, 1635, 1744, 1962, 1982, 2180, 2616, 2880, 2973, 3270, 3488, 3924, 3964, 4360, 4905, 4955, 5232, 5946, 6540, 6976, 7848, 7928, 8720, 8919, 9810, 9910, 10464, 11892, 13080, 14865, 15696, 15856, 17440, 17838, 19620, 19820, 20928, 23784, 26160, 29730, 31392, 31712, 34880, 35676, 39240, 39640, 44595, 47568, 52320, 59460, 62784, 63424, 71352, 78480, 79280, 89190, 95136, 104640, 108019, 118920, 142704, 156960, 158560, 178380, 190272, 216038, 237840, 285408, 313920, 317120, 324057, 356760, 432076, 475680, 540095, 570816, 648114, 713520, 864152, 951360, 972171, 1080190, 1296228, 1427040, 1620285, 1728304, 1944342, 2160380, 2592456, 2854080, 3240570, 3456608, 3888684, 4320760, 4860855, 5184912, 6481140, 6913216, 7777368, 8641520, 9721710, 10369824, 12962280, 15554736, 17283040, 19443420, 20739648, 25924560, 31109472, 34566080, 38886840, 51849120, 62218944, 77773680, 103698240, 155547360, 311094720]

約数ペア:

[(1, 311094720), (2, 155547360), (3, 103698240), (4, 77773680), (5, 62218944), (6, 51849120), (8, 38886840), (9, 34566080), (10, 31109472), (12, 25924560), (15, 20739648), (16, 19443420), (18, 17283040), (20, 15554736), (24, 12962280), (30, 10369824), (32, 9721710), (36, 8641520), (40, 7777368), (45, 6913216), (48, 6481140), (60, 5184912), (64, 4860855), (72, 4320760), (80, 3888684), (90, 3456608), (96, 3240570), (109, 2854080), (120, 2592456), (144, 2160380), (160, 1944342), (180, 1728304), (192, 1620285), (218, 1427040), (240, 1296228), (288, 1080190), (320, 972171), (327, 951360), (360, 864152), (436, 713520), (480, 648114), (545, 570816), (576, 540095), (654, 475680), (720, 432076), (872, 356760), (960, 324057), (981, 317120), (991, 313920), (1090, 285408), (1308, 237840), (1440, 216038), (1635, 190272), (1744, 178380), (1962, 158560), (1982, 156960), (2180, 142704), (2616, 118920), (2880, 108019), (2973, 104640), (3270, 95136), (3488, 89190), (3924, 79280), (3964, 78480), (4360, 71352), (4905, 63424), (4955, 62784), (5232, 59460), (5946, 52320), (6540, 47568), (6976, 44595), (7848, 39640), (7928, 39240), (8720, 35676), (8919, 34880), (9810, 31712), (9910, 31392), (10464, 29730), (11892, 26160), (13080, 23784), (14865, 20928), (15696, 19820), (15856, 19620), (17440, 17838)]