128261880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 160

約数和(自身を含む): 445357440

約数和(自身を除く): 317095560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1277, 1395, 1620, 1674, 1860, 2232, 2511, 2554, 2790, 3240, 3348, 3720, 3831, 4185, 5022, 5108, 5580, 6385, 6696, 7662, 8370, 10044, 10216, 11160, 11493, 12555, 12770, 15324, 16740, 19155, 20088, 22986, 25110, 25540, 30648, 33480, 34479, 38310, 39587, 45972, 50220, 51080, 57465, 68958, 76620, 79174, 91944, 100440, 103437, 114930, 118761, 137916, 153240, 158348, 172395, 197935, 206874, 229860, 237522, 275832, 316696, 344790, 356283, 395870, 413748, 459720, 475044, 517185, 593805, 689580, 712566, 791740, 827496, 950088, 1034370, 1068849, 1187610, 1379160, 1425132, 1583480, 1781415, 2068740, 2137698, 2375220, 2850264, 3206547, 3562830, 4137480, 4275396, 4750440, 5344245, 6413094, 7125660, 8550792, 10688490, 12826188, 14251320, 16032735, 21376980, 25652376, 32065470, 42753960, 64130940, 128261880]

約数ペア:

[(1, 128261880), (2, 64130940), (3, 42753960), (4, 32065470), (5, 25652376), (6, 21376980), (8, 16032735), (9, 14251320), (10, 12826188), (12, 10688490), (15, 8550792), (18, 7125660), (20, 6413094), (24, 5344245), (27, 4750440), (30, 4275396), (31, 4137480), (36, 3562830), (40, 3206547), (45, 2850264), (54, 2375220), (60, 2137698), (62, 2068740), (72, 1781415), (81, 1583480), (90, 1425132), (93, 1379160), (108, 1187610), (120, 1068849), (124, 1034370), (135, 950088), (155, 827496), (162, 791740), (180, 712566), (186, 689580), (216, 593805), (248, 517185), (270, 475044), (279, 459720), (310, 413748), (324, 395870), (360, 356283), (372, 344790), (405, 316696), (465, 275832), (540, 237522), (558, 229860), (620, 206874), (648, 197935), (744, 172395), (810, 158348), (837, 153240), (930, 137916), (1080, 118761), (1116, 114930), (1240, 103437), (1277, 100440), (1395, 91944), (1620, 79174), (1674, 76620), (1860, 68958), (2232, 57465), (2511, 51080), (2554, 50220), (2790, 45972), (3240, 39587), (3348, 38310), (3720, 34479), (3831, 33480), (4185, 30648), (5022, 25540), (5108, 25110), (5580, 22986), (6385, 20088), (6696, 19155), (7662, 16740), (8370, 15324), (10044, 12770), (10216, 12555), (11160, 11493)]