77780880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1831}}^1$

素因数の和:1909

約数の個数: 120

約数和(自身を含む): 265786560

約数和(自身を除く): 188005680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1770, 1831, 2124, 2360, 2655, 2832, 3540, 3662, 4248, 4720, 5310, 5493, 7080, 7324, 8496, 9155, 10620, 10986, 14160, 14648, 16479, 18310, 21240, 21972, 27465, 29296, 32958, 36620, 42480, 43944, 54930, 65916, 73240, 82395, 87888, 108029, 109860, 131832, 146480, 164790, 216058, 219720, 263664, 324087, 329580, 432116, 439440, 540145, 648174, 659160, 864232, 972261, 1080290, 1296348, 1318320, 1620435, 1728464, 1944522, 2160580, 2592696, 3240870, 3889044, 4321160, 4861305, 5185392, 6481740, 7778088, 8642320, 9722610, 12963480, 15556176, 19445220, 25926960, 38890440, 77780880]

約数ペア:

[(1, 77780880), (2, 38890440), (3, 25926960), (4, 19445220), (5, 15556176), (6, 12963480), (8, 9722610), (9, 8642320), (10, 7778088), (12, 6481740), (15, 5185392), (16, 4861305), (18, 4321160), (20, 3889044), (24, 3240870), (30, 2592696), (36, 2160580), (40, 1944522), (45, 1728464), (48, 1620435), (59, 1318320), (60, 1296348), (72, 1080290), (80, 972261), (90, 864232), (118, 659160), (120, 648174), (144, 540145), (177, 439440), (180, 432116), (236, 329580), (240, 324087), (295, 263664), (354, 219720), (360, 216058), (472, 164790), (531, 146480), (590, 131832), (708, 109860), (720, 108029), (885, 87888), (944, 82395), (1062, 73240), (1180, 65916), (1416, 54930), (1770, 43944), (1831, 42480), (2124, 36620), (2360, 32958), (2655, 29296), (2832, 27465), (3540, 21972), (3662, 21240), (4248, 18310), (4720, 16479), (5310, 14648), (5493, 14160), (7080, 10986), (7324, 10620), (8496, 9155)]