272912302040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{154247}}^1$

素因数の和:154425

約数の個数: 128

約数和(自身を含む): 719659468800

約数和(自身を除く): 446747166760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 89, 140, 142, 178, 280, 284, 355, 356, 445, 497, 568, 623, 710, 712, 890, 994, 1246, 1420, 1780, 1988, 2485, 2492, 2840, 3115, 3560, 3976, 4970, 4984, 6230, 6319, 9940, 12460, 12638, 19880, 24920, 25276, 31595, 44233, 50552, 63190, 88466, 126380, 154247, 176932, 221165, 252760, 308494, 353864, 442330, 616988, 771235, 884660, 1079729, 1233976, 1542470, 1769320, 2159458, 3084940, 4318916, 5398645, 6169880, 8637832, 10797290, 10951537, 13727983, 21594580, 21903074, 27455966, 43189160, 43806148, 54757685, 54911932, 68639915, 76660759, 87612296, 96095881, 109515370, 109823864, 137279830, 153321518, 192191762, 219030740, 274559660, 306643036, 383303795, 384383524, 438061480, 480479405, 549119320, 613286072, 766607590, 768767048, 960958810, 974686793, 1533215180, 1921917620, 1949373586, 3066430360, 3843835240, 3898747172, 4873433965, 6822807551, 7797494344, 9746867930, 13645615102, 19493735860, 27291230204, 34114037755, 38987471720, 54582460408, 68228075510, 136456151020, 272912302040]

約数ペア:

[(1, 272912302040), (2, 136456151020), (4, 68228075510), (5, 54582460408), (7, 38987471720), (8, 34114037755), (10, 27291230204), (14, 19493735860), (20, 13645615102), (28, 9746867930), (35, 7797494344), (40, 6822807551), (56, 4873433965), (70, 3898747172), (71, 3843835240), (89, 3066430360), (140, 1949373586), (142, 1921917620), (178, 1533215180), (280, 974686793), (284, 960958810), (355, 768767048), (356, 766607590), (445, 613286072), (497, 549119320), (568, 480479405), (623, 438061480), (710, 384383524), (712, 383303795), (890, 306643036), (994, 274559660), (1246, 219030740), (1420, 192191762), (1780, 153321518), (1988, 137279830), (2485, 109823864), (2492, 109515370), (2840, 96095881), (3115, 87612296), (3560, 76660759), (3976, 68639915), (4970, 54911932), (4984, 54757685), (6230, 43806148), (6319, 43189160), (9940, 27455966), (12460, 21903074), (12638, 21594580), (19880, 13727983), (24920, 10951537), (25276, 10797290), (31595, 8637832), (44233, 6169880), (50552, 5398645), (63190, 4318916), (88466, 3084940), (126380, 2159458), (154247, 1769320), (176932, 1542470), (221165, 1233976), (252760, 1079729), (308494, 884660), (353864, 771235), (442330, 616988)]