78397920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54443}}^1$

素因数の和:54464

約数の個数: 72

約数和(自身を含む): 267537816

約数和(自身を除く): 189139896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54443, 108886, 163329, 217772, 272215, 326658, 435544, 489987, 544430, 653316, 816645, 871088, 979974, 1088860, 1306632, 1633290, 1742176, 1959948, 2177720, 2449935, 2613264, 3266580, 3919896, 4355440, 4899870, 5226528, 6533160, 7839792, 8710880, 9799740, 13066320, 15679584, 19599480, 26132640, 39198960, 78397920]

約数ペア:

[(1, 78397920), (2, 39198960), (3, 26132640), (4, 19599480), (5, 15679584), (6, 13066320), (8, 9799740), (9, 8710880), (10, 7839792), (12, 6533160), (15, 5226528), (16, 4899870), (18, 4355440), (20, 3919896), (24, 3266580), (30, 2613264), (32, 2449935), (36, 2177720), (40, 1959948), (45, 1742176), (48, 1633290), (60, 1306632), (72, 1088860), (80, 979974), (90, 871088), (96, 816645), (120, 653316), (144, 544430), (160, 489987), (180, 435544), (240, 326658), (288, 272215), (360, 217772), (480, 163329), (720, 108886), (1440, 54443)]