220636920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 256

約数和(自身を含む): 805478400

約数和(自身を除く): 584841480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 37, 40, 42, 56, 60, 62, 70, 74, 84, 93, 105, 111, 120, 124, 140, 148, 155, 168, 185, 186, 210, 217, 222, 229, 248, 259, 280, 296, 310, 370, 372, 420, 434, 444, 458, 465, 518, 555, 620, 651, 687, 740, 744, 777, 840, 868, 888, 916, 930, 1036, 1085, 1110, 1145, 1147, 1240, 1295, 1302, 1374, 1480, 1554, 1603, 1736, 1832, 1860, 2072, 2170, 2220, 2290, 2294, 2590, 2604, 2748, 3108, 3206, 3255, 3435, 3441, 3720, 3885, 4340, 4440, 4580, 4588, 4809, 5180, 5208, 5496, 5735, 6216, 6412, 6510, 6870, 6882, 7099, 7770, 8015, 8029, 8473, 8680, 9160, 9176, 9618, 10360, 11470, 12824, 13020, 13740, 13764, 14198, 15540, 16030, 16058, 16946, 17205, 19236, 21297, 22940, 24045, 24087, 25419, 26040, 27480, 27528, 28396, 31080, 32060, 32116, 33892, 34410, 35495, 38472, 40145, 42365, 42594, 45880, 48090, 48174, 49693, 50838, 56792, 59311, 64120, 64232, 67784, 68820, 70990, 80290, 84730, 85188, 96180, 96348, 99386, 101676, 106485, 118622, 120435, 127095, 137640, 141980, 149079, 160580, 169460, 170376, 177933, 192360, 192696, 198772, 203352, 212970, 237244, 240870, 248465, 254190, 262663, 283960, 296555, 298158, 321160, 338920, 355866, 397544, 425940, 474488, 481740, 496930, 508380, 525326, 593110, 596316, 711732, 745395, 787989, 851880, 889665, 963480, 993860, 1016760, 1050652, 1186220, 1192632, 1313315, 1423464, 1490790, 1575978, 1779330, 1838641, 1987720, 2101304, 2372440, 2626630, 2981580, 3151956, 3558660, 3677282, 3939945, 5253260, 5515923, 5963160, 6303912, 7117320, 7354564, 7879890, 9193205, 10506520, 11031846, 14709128, 15759780, 18386410, 22063692, 27579615, 31519560, 36772820, 44127384, 55159230, 73545640, 110318460, 220636920]

約数ペア:

[(1, 220636920), (2, 110318460), (3, 73545640), (4, 55159230), (5, 44127384), (6, 36772820), (7, 31519560), (8, 27579615), (10, 22063692), (12, 18386410), (14, 15759780), (15, 14709128), (20, 11031846), (21, 10506520), (24, 9193205), (28, 7879890), (30, 7354564), (31, 7117320), (35, 6303912), (37, 5963160), (40, 5515923), (42, 5253260), (56, 3939945), (60, 3677282), (62, 3558660), (70, 3151956), (74, 2981580), (84, 2626630), (93, 2372440), (105, 2101304), (111, 1987720), (120, 1838641), (124, 1779330), (140, 1575978), (148, 1490790), (155, 1423464), (168, 1313315), (185, 1192632), (186, 1186220), (210, 1050652), (217, 1016760), (222, 993860), (229, 963480), (248, 889665), (259, 851880), (280, 787989), (296, 745395), (310, 711732), (370, 596316), (372, 593110), (420, 525326), (434, 508380), (444, 496930), (458, 481740), (465, 474488), (518, 425940), (555, 397544), (620, 355866), (651, 338920), (687, 321160), (740, 298158), (744, 296555), (777, 283960), (840, 262663), (868, 254190), (888, 248465), (916, 240870), (930, 237244), (1036, 212970), (1085, 203352), (1110, 198772), (1145, 192696), (1147, 192360), (1240, 177933), (1295, 170376), (1302, 169460), (1374, 160580), (1480, 149079), (1554, 141980), (1603, 137640), (1736, 127095), (1832, 120435), (1860, 118622), (2072, 106485), (2170, 101676), (2220, 99386), (2290, 96348), (2294, 96180), (2590, 85188), (2604, 84730), (2748, 80290), (3108, 70990), (3206, 68820), (3255, 67784), (3435, 64232), (3441, 64120), (3720, 59311), (3885, 56792), (4340, 50838), (4440, 49693), (4580, 48174), (4588, 48090), (4809, 45880), (5180, 42594), (5208, 42365), (5496, 40145), (5735, 38472), (6216, 35495), (6412, 34410), (6510, 33892), (6870, 32116), (6882, 32060), (7099, 31080), (7770, 28396), (8015, 27528), (8029, 27480), (8473, 26040), (8680, 25419), (9160, 24087), (9176, 24045), (9618, 22940), (10360, 21297), (11470, 19236), (12824, 17205), (13020, 16946), (13740, 16058), (13764, 16030), (14198, 15540)]