78350720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17489}}^1$

素因数の和:17515

約数の個数: 64

約数和(自身を含む): 214077600

約数和(自身を除く): 135726880

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, 17489, 34978, 69956, 87445, 122423, 139912, 174890, 244846, 279824, 349780, 489692, 559648, 612115, 699560, 979384, 1119296, 1224230, 1399120, 1958768, 2238592, 2448460, 2798240, 3917536, 4896920, 5596480, 7835072, 9793840, 11192960, 15670144, 19587680, 39175360, 78350720]

約数ペア:

[(1, 78350720), (2, 39175360), (4, 19587680), (5, 15670144), (7, 11192960), (8, 9793840), (10, 7835072), (14, 5596480), (16, 4896920), (20, 3917536), (28, 2798240), (32, 2448460), (35, 2238592), (40, 1958768), (56, 1399120), (64, 1224230), (70, 1119296), (80, 979384), (112, 699560), (128, 612115), (140, 559648), (160, 489692), (224, 349780), (280, 279824), (320, 244846), (448, 174890), (560, 139912), (640, 122423), (896, 87445), (1120, 69956), (2240, 34978), (4480, 17489)]