66214760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 156280320

約数和(自身を除く): 90065560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 797, 1240, 1340, 1594, 2077, 2680, 3188, 3985, 4154, 6376, 7970, 8308, 10385, 15940, 16616, 20770, 24707, 31880, 41540, 49414, 53399, 83080, 98828, 106798, 123535, 197656, 213596, 247070, 266995, 427192, 494140, 533990, 988280, 1067980, 1655369, 2135960, 3310738, 6621476, 8276845, 13242952, 16553690, 33107380, 66214760]

約数ペア:

[(1, 66214760), (2, 33107380), (4, 16553690), (5, 13242952), (8, 8276845), (10, 6621476), (20, 3310738), (31, 2135960), (40, 1655369), (62, 1067980), (67, 988280), (124, 533990), (134, 494140), (155, 427192), (248, 266995), (268, 247070), (310, 213596), (335, 197656), (536, 123535), (620, 106798), (670, 98828), (797, 83080), (1240, 53399), (1340, 49414), (1594, 41540), (2077, 31880), (2680, 24707), (3188, 20770), (3985, 16616), (4154, 15940), (6376, 10385), (7970, 8308)]