84872960

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 206820096

約数和(自身を除く): 121947136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1087, 1220, 1280, 1952, 2174, 2440, 3904, 4348, 4880, 5435, 7808, 8696, 9760, 10870, 15616, 17392, 19520, 21740, 34784, 39040, 43480, 66307, 69568, 78080, 86960, 132614, 139136, 173920, 265228, 278272, 331535, 347840, 530456, 663070, 695680, 1060912, 1326140, 1391360, 2121824, 2652280, 4243648, 5304560, 8487296, 10609120, 16974592, 21218240, 42436480, 84872960]

約数ペア:

[(1, 84872960), (2, 42436480), (4, 21218240), (5, 16974592), (8, 10609120), (10, 8487296), (16, 5304560), (20, 4243648), (32, 2652280), (40, 2121824), (61, 1391360), (64, 1326140), (80, 1060912), (122, 695680), (128, 663070), (160, 530456), (244, 347840), (256, 331535), (305, 278272), (320, 265228), (488, 173920), (610, 139136), (640, 132614), (976, 86960), (1087, 78080), (1220, 69568), (1280, 66307), (1952, 43480), (2174, 39040), (2440, 34784), (3904, 21740), (4348, 19520), (4880, 17392), (5435, 15616), (7808, 10870), (8696, 9760)]