87310720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19489}}^1$

素因数の和:19515

約数の個数: 64

約数和(自身を含む): 238557600

約数和(自身を除く): 151246880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 19489, 38978, 77956, 97445, 136423, 155912, 194890, 272846, 311824, 389780, 545692, 623648, 682115, 779560, 1091384, 1247296, 1364230, 1559120, 2182768, 2494592, 2728460, 3118240, 4365536, 5456920, 6236480, 8731072, 10913840, 12472960, 17462144, 21827680, 43655360, 87310720]

約数ペア:

[(1, 87310720), (2, 43655360), (4, 21827680), (5, 17462144), (7, 12472960), (8, 10913840), (10, 8731072), (14, 6236480), (16, 5456920), (20, 4365536), (28, 3118240), (32, 2728460), (35, 2494592), (40, 2182768), (56, 1559120), (64, 1364230), (70, 1247296), (80, 1091384), (112, 779560), (128, 682115), (140, 623648), (160, 545692), (224, 389780), (280, 311824), (320, 272846), (448, 194890), (560, 155912), (640, 136423), (896, 97445), (1120, 77956), (2240, 38978), (4480, 19489)]