83471220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2190

約数の個数: 144

約数和(自身を含む): 298841088

約数和(自身を除く): 215369868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2137, 2170, 2604, 2790, 3255, 3906, 4274, 4340, 5580, 6411, 6510, 7812, 8548, 9765, 10685, 12822, 13020, 14959, 19233, 19530, 21370, 25644, 29918, 32055, 38466, 39060, 42740, 44877, 59836, 64110, 66247, 74795, 76932, 89754, 96165, 128220, 132494, 134631, 149590, 179508, 192330, 198741, 224385, 264988, 269262, 299180, 331235, 384660, 397482, 448770, 463729, 538524, 596223, 662470, 673155, 794964, 897540, 927458, 993705, 1192446, 1324940, 1346310, 1391187, 1854916, 1987410, 2318645, 2384892, 2692620, 2782374, 2981115, 3974820, 4173561, 4637290, 5564748, 5962230, 6955935, 8347122, 9274580, 11924460, 13911870, 16694244, 20867805, 27823740, 41735610, 83471220]

約数ペア:

[(1, 83471220), (2, 41735610), (3, 27823740), (4, 20867805), (5, 16694244), (6, 13911870), (7, 11924460), (9, 9274580), (10, 8347122), (12, 6955935), (14, 5962230), (15, 5564748), (18, 4637290), (20, 4173561), (21, 3974820), (28, 2981115), (30, 2782374), (31, 2692620), (35, 2384892), (36, 2318645), (42, 1987410), (45, 1854916), (60, 1391187), (62, 1346310), (63, 1324940), (70, 1192446), (84, 993705), (90, 927458), (93, 897540), (105, 794964), (124, 673155), (126, 662470), (140, 596223), (155, 538524), (180, 463729), (186, 448770), (210, 397482), (217, 384660), (252, 331235), (279, 299180), (310, 269262), (315, 264988), (372, 224385), (420, 198741), (434, 192330), (465, 179508), (558, 149590), (620, 134631), (630, 132494), (651, 128220), (868, 96165), (930, 89754), (1085, 76932), (1116, 74795), (1260, 66247), (1302, 64110), (1395, 59836), (1860, 44877), (1953, 42740), (2137, 39060), (2170, 38466), (2604, 32055), (2790, 29918), (3255, 25644), (3906, 21370), (4274, 19530), (4340, 19233), (5580, 14959), (6411, 13020), (6510, 12822), (7812, 10685), (8548, 9765)]