870345240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 2659392000

約数和(自身を除く): 1789046760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 227, 267, 356, 359, 445, 454, 534, 681, 712, 718, 890, 908, 1068, 1077, 1135, 1335, 1362, 1436, 1780, 1795, 1816, 2136, 2154, 2270, 2670, 2724, 2872, 3405, 3560, 3590, 4308, 4540, 5340, 5385, 5448, 6810, 7180, 8616, 9080, 10680, 10770, 13620, 14360, 20203, 21540, 27240, 31951, 40406, 43080, 60609, 63902, 80812, 81493, 95853, 101015, 121218, 127804, 159755, 161624, 162986, 191706, 202030, 242436, 244479, 255608, 303045, 319510, 325972, 383412, 404060, 407465, 479265, 484872, 488958, 606090, 639020, 651944, 766824, 808120, 814930, 958530, 977916, 1212180, 1222395, 1278040, 1629860, 1917060, 1955832, 2424360, 2444790, 3259720, 3834120, 4889580, 7252877, 9779160, 14505754, 21758631, 29011508, 36264385, 43517262, 58023016, 72528770, 87034524, 108793155, 145057540, 174069048, 217586310, 290115080, 435172620, 870345240]

約数ペア:

[(1, 870345240), (2, 435172620), (3, 290115080), (4, 217586310), (5, 174069048), (6, 145057540), (8, 108793155), (10, 87034524), (12, 72528770), (15, 58023016), (20, 43517262), (24, 36264385), (30, 29011508), (40, 21758631), (60, 14505754), (89, 9779160), (120, 7252877), (178, 4889580), (227, 3834120), (267, 3259720), (356, 2444790), (359, 2424360), (445, 1955832), (454, 1917060), (534, 1629860), (681, 1278040), (712, 1222395), (718, 1212180), (890, 977916), (908, 958530), (1068, 814930), (1077, 808120), (1135, 766824), (1335, 651944), (1362, 639020), (1436, 606090), (1780, 488958), (1795, 484872), (1816, 479265), (2136, 407465), (2154, 404060), (2270, 383412), (2670, 325972), (2724, 319510), (2872, 303045), (3405, 255608), (3560, 244479), (3590, 242436), (4308, 202030), (4540, 191706), (5340, 162986), (5385, 161624), (5448, 159755), (6810, 127804), (7180, 121218), (8616, 101015), (9080, 95853), (10680, 81493), (10770, 80812), (13620, 63902), (14360, 60609), (20203, 43080), (21540, 40406), (27240, 31951)]