2172204720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13903}}^1$

素因数の和:13960

約数の個数: 240

約数和(自身を含む): 8606687232

約数和(自身を除く): 6434482512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 13903, 15624, 17360, 19530, 22320, 26040, 27806, 31248, 39060, 41709, 52080, 55612, 69515, 78120, 83418, 97321, 111224, 125127, 139030, 156240, 166836, 194642, 208545, 222448, 250254, 278060, 291963, 333672, 389284, 417090, 430993, 486605, 500508, 556120, 583926, 625635, 667344, 778568, 834180, 861986, 875889, 973210, 1001016, 1112240, 1167852, 1251270, 1292979, 1459815, 1557136, 1668360, 1723972, 1751778, 1946420, 2002032, 2154965, 2335704, 2502540, 2585958, 2919630, 3016951, 3336720, 3447944, 3503556, 3878937, 3892840, 4309930, 4379445, 4671408, 5005080, 5171916, 5839260, 6033902, 6464895, 6895888, 7007112, 7757874, 7785680, 8619860, 8758890, 9050853, 10010160, 10343832, 11678520, 12067804, 12929790, 14014224, 15084755, 15515748, 17239720, 17517780, 18101706, 19394685, 20687664, 23357040, 24135608, 25859580, 27152559, 30169510, 31031496, 34479440, 35035560, 36203412, 38789370, 45254265, 48271216, 51719160, 54305118, 60339020, 62062992, 70071120, 72406824, 77578740, 90508530, 103438320, 108610236, 120678040, 135762795, 144813648, 155157480, 181017060, 217220472, 241356080, 271525590, 310314960, 362034120, 434440944, 543051180, 724068240, 1086102360, 2172204720]

約数ペア:

[(1, 2172204720), (2, 1086102360), (3, 724068240), (4, 543051180), (5, 434440944), (6, 362034120), (7, 310314960), (8, 271525590), (9, 241356080), (10, 217220472), (12, 181017060), (14, 155157480), (15, 144813648), (16, 135762795), (18, 120678040), (20, 108610236), (21, 103438320), (24, 90508530), (28, 77578740), (30, 72406824), (31, 70071120), (35, 62062992), (36, 60339020), (40, 54305118), (42, 51719160), (45, 48271216), (48, 45254265), (56, 38789370), (60, 36203412), (62, 35035560), (63, 34479440), (70, 31031496), (72, 30169510), (80, 27152559), (84, 25859580), (90, 24135608), (93, 23357040), (105, 20687664), (112, 19394685), (120, 18101706), (124, 17517780), (126, 17239720), (140, 15515748), (144, 15084755), (155, 14014224), (168, 12929790), (180, 12067804), (186, 11678520), (210, 10343832), (217, 10010160), (240, 9050853), (248, 8758890), (252, 8619860), (279, 7785680), (280, 7757874), (310, 7007112), (315, 6895888), (336, 6464895), (360, 6033902), (372, 5839260), (420, 5171916), (434, 5005080), (465, 4671408), (496, 4379445), (504, 4309930), (558, 3892840), (560, 3878937), (620, 3503556), (630, 3447944), (651, 3336720), (720, 3016951), (744, 2919630), (840, 2585958), (868, 2502540), (930, 2335704), (1008, 2154965), (1085, 2002032), (1116, 1946420), (1240, 1751778), (1260, 1723972), (1302, 1668360), (1395, 1557136), (1488, 1459815), (1680, 1292979), (1736, 1251270), (1860, 1167852), (1953, 1112240), (2170, 1001016), (2232, 973210), (2480, 875889), (2520, 861986), (2604, 834180), (2790, 778568), (3255, 667344), (3472, 625635), (3720, 583926), (3906, 556120), (4340, 500508), (4464, 486605), (5040, 430993), (5208, 417090), (5580, 389284), (6510, 333672), (7440, 291963), (7812, 278060), (8680, 250254), (9765, 222448), (10416, 208545), (11160, 194642), (13020, 166836), (13903, 156240), (15624, 139030), (17360, 125127), (19530, 111224), (22320, 97321), (26040, 83418), (27806, 78120), (31248, 69515), (39060, 55612), (41709, 52080)]