920560440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1049}}^1$

素因数の和:1237

約数の個数: 128

約数和(自身を含む): 2830464000

約数和(自身を除く): 1909903560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 103, 120, 142, 206, 213, 284, 309, 355, 412, 426, 515, 568, 618, 710, 824, 852, 1030, 1049, 1065, 1236, 1420, 1545, 1704, 2060, 2098, 2130, 2472, 2840, 3090, 3147, 4120, 4196, 4260, 5245, 6180, 6294, 7313, 8392, 8520, 10490, 12360, 12588, 14626, 15735, 20980, 21939, 25176, 29252, 31470, 36565, 41960, 43878, 58504, 62940, 73130, 74479, 87756, 108047, 109695, 125880, 146260, 148958, 175512, 216094, 219390, 223437, 292520, 297916, 324141, 372395, 432188, 438780, 446874, 540235, 595832, 648282, 744790, 864376, 877560, 893748, 1080470, 1117185, 1296564, 1489580, 1620705, 1787496, 2160940, 2234370, 2593128, 2979160, 3241410, 4321880, 4468740, 6482820, 7671337, 8937480, 12965640, 15342674, 23014011, 30685348, 38356685, 46028022, 61370696, 76713370, 92056044, 115070055, 153426740, 184112088, 230140110, 306853480, 460280220, 920560440]

約数ペア:

[(1, 920560440), (2, 460280220), (3, 306853480), (4, 230140110), (5, 184112088), (6, 153426740), (8, 115070055), (10, 92056044), (12, 76713370), (15, 61370696), (20, 46028022), (24, 38356685), (30, 30685348), (40, 23014011), (60, 15342674), (71, 12965640), (103, 8937480), (120, 7671337), (142, 6482820), (206, 4468740), (213, 4321880), (284, 3241410), (309, 2979160), (355, 2593128), (412, 2234370), (426, 2160940), (515, 1787496), (568, 1620705), (618, 1489580), (710, 1296564), (824, 1117185), (852, 1080470), (1030, 893748), (1049, 877560), (1065, 864376), (1236, 744790), (1420, 648282), (1545, 595832), (1704, 540235), (2060, 446874), (2098, 438780), (2130, 432188), (2472, 372395), (2840, 324141), (3090, 297916), (3147, 292520), (4120, 223437), (4196, 219390), (4260, 216094), (5245, 175512), (6180, 148958), (6294, 146260), (7313, 125880), (8392, 109695), (8520, 108047), (10490, 87756), (12360, 74479), (12588, 73130), (14626, 62940), (15735, 58504), (20980, 43878), (21939, 41960), (25176, 36565), (29252, 31470)]