7888020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2683}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 25701984

約数和(自身を除く): 17813964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2683, 2940, 5366, 8049, 10732, 13415, 16098, 18781, 26830, 32196, 37562, 40245, 53660, 56343, 75124, 80490, 93905, 112686, 131467, 160980, 187810, 225372, 262934, 281715, 375620, 394401, 525868, 563430, 657335, 788802, 1126860, 1314670, 1577604, 1972005, 2629340, 3944010, 7888020]

約数ペア:

[(1, 7888020), (2, 3944010), (3, 2629340), (4, 1972005), (5, 1577604), (6, 1314670), (7, 1126860), (10, 788802), (12, 657335), (14, 563430), (15, 525868), (20, 394401), (21, 375620), (28, 281715), (30, 262934), (35, 225372), (42, 187810), (49, 160980), (60, 131467), (70, 112686), (84, 93905), (98, 80490), (105, 75124), (140, 56343), (147, 53660), (196, 40245), (210, 37562), (245, 32196), (294, 26830), (420, 18781), (490, 16098), (588, 13415), (735, 10732), (980, 8049), (1470, 5366), (2683, 2940)]