84736640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4271}}^1$

素因数の和:4321

約数の個数: 64

約数和(自身を含む): 209157120

約数和(自身を除く): 124420480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4271, 4960, 8542, 9920, 17084, 19840, 21355, 34168, 42710, 68336, 85420, 132401, 136672, 170840, 264802, 273344, 341680, 529604, 546688, 662005, 683360, 1059208, 1324010, 1366720, 2118416, 2648020, 2733440, 4236832, 5296040, 8473664, 10592080, 16947328, 21184160, 42368320, 84736640]

約数ペア:

[(1, 84736640), (2, 42368320), (4, 21184160), (5, 16947328), (8, 10592080), (10, 8473664), (16, 5296040), (20, 4236832), (31, 2733440), (32, 2648020), (40, 2118416), (62, 1366720), (64, 1324010), (80, 1059208), (124, 683360), (128, 662005), (155, 546688), (160, 529604), (248, 341680), (310, 273344), (320, 264802), (496, 170840), (620, 136672), (640, 132401), (992, 85420), (1240, 68336), (1984, 42710), (2480, 34168), (3968, 21355), (4271, 19840), (4960, 17084), (8542, 9920)]