1987071480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59351}}^1$

素因数の和:59402

約数の個数: 128

約数和(自身を含む): 6837350400

約数和(自身を除く): 4850278920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 33480, 59351, 118702, 178053, 237404, 296755, 356106, 474808, 534159, 593510, 712212, 890265, 1068318, 1187020, 1424424, 1602477, 1780530, 1839881, 2136636, 2374040, 2670795, 3204954, 3561060, 3679762, 4273272, 5341590, 5519643, 6409908, 7122120, 7359524, 8012385, 9199405, 10683180, 11039286, 12819816, 14719048, 16024770, 16558929, 18398810, 21366360, 22078572, 27598215, 32049540, 33117858, 36797620, 44157144, 49676787, 55196430, 64099080, 66235716, 73595240, 82794645, 99353574, 110392860, 132471432, 165589290, 198707148, 220785720, 248383935, 331178580, 397414296, 496767870, 662357160, 993535740, 1987071480]

約数ペア:

[(1, 1987071480), (2, 993535740), (3, 662357160), (4, 496767870), (5, 397414296), (6, 331178580), (8, 248383935), (9, 220785720), (10, 198707148), (12, 165589290), (15, 132471432), (18, 110392860), (20, 99353574), (24, 82794645), (27, 73595240), (30, 66235716), (31, 64099080), (36, 55196430), (40, 49676787), (45, 44157144), (54, 36797620), (60, 33117858), (62, 32049540), (72, 27598215), (90, 22078572), (93, 21366360), (108, 18398810), (120, 16558929), (124, 16024770), (135, 14719048), (155, 12819816), (180, 11039286), (186, 10683180), (216, 9199405), (248, 8012385), (270, 7359524), (279, 7122120), (310, 6409908), (360, 5519643), (372, 5341590), (465, 4273272), (540, 3679762), (558, 3561060), (620, 3204954), (744, 2670795), (837, 2374040), (930, 2136636), (1080, 1839881), (1116, 1780530), (1240, 1602477), (1395, 1424424), (1674, 1187020), (1860, 1068318), (2232, 890265), (2790, 712212), (3348, 593510), (3720, 534159), (4185, 474808), (5580, 356106), (6696, 296755), (8370, 237404), (11160, 178053), (16740, 118702), (33480, 59351)]