209263080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2611

約数の個数: 128

約数和(自身を含む): 689109120

約数和(自身を除く): 479846040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2531, 2756, 3180, 3445, 4134, 5062, 5512, 6360, 6890, 7593, 8268, 10124, 10335, 12655, 13780, 15186, 16536, 20248, 20670, 25310, 27560, 30372, 32903, 37965, 41340, 50620, 60744, 65806, 75930, 82680, 98709, 101240, 131612, 134143, 151860, 164515, 197418, 263224, 268286, 303720, 329030, 394836, 402429, 493545, 536572, 658060, 670715, 789672, 804858, 987090, 1073144, 1316120, 1341430, 1609716, 1743859, 1974180, 2012145, 2682860, 3219432, 3487718, 3948360, 4024290, 5231577, 5365720, 6975436, 8048580, 8719295, 10463154, 13950872, 16097160, 17438590, 20926308, 26157885, 34877180, 41852616, 52315770, 69754360, 104631540, 209263080]

約数ペア:

[(1, 209263080), (2, 104631540), (3, 69754360), (4, 52315770), (5, 41852616), (6, 34877180), (8, 26157885), (10, 20926308), (12, 17438590), (13, 16097160), (15, 13950872), (20, 10463154), (24, 8719295), (26, 8048580), (30, 6975436), (39, 5365720), (40, 5231577), (52, 4024290), (53, 3948360), (60, 3487718), (65, 3219432), (78, 2682860), (104, 2012145), (106, 1974180), (120, 1743859), (130, 1609716), (156, 1341430), (159, 1316120), (195, 1073144), (212, 987090), (260, 804858), (265, 789672), (312, 670715), (318, 658060), (390, 536572), (424, 493545), (520, 402429), (530, 394836), (636, 329030), (689, 303720), (780, 268286), (795, 263224), (1060, 197418), (1272, 164515), (1378, 151860), (1560, 134143), (1590, 131612), (2067, 101240), (2120, 98709), (2531, 82680), (2756, 75930), (3180, 65806), (3445, 60744), (4134, 50620), (5062, 41340), (5512, 37965), (6360, 32903), (6890, 30372), (7593, 27560), (8268, 25310), (10124, 20670), (10335, 20248), (12655, 16536), (13780, 15186)]