126421720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2456

約数の個数: 64

約数和(自身を含む): 300579840

約数和(自身を除く): 174158120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2371, 2666, 4742, 5332, 6665, 9484, 10664, 11855, 13330, 18968, 23710, 26660, 47420, 53320, 73501, 94840, 101953, 147002, 203906, 294004, 367505, 407812, 509765, 588008, 735010, 815624, 1019530, 1470020, 2039060, 2940040, 3160543, 4078120, 6321086, 12642172, 15802715, 25284344, 31605430, 63210860, 126421720]

約数ペア:

[(1, 126421720), (2, 63210860), (4, 31605430), (5, 25284344), (8, 15802715), (10, 12642172), (20, 6321086), (31, 4078120), (40, 3160543), (43, 2940040), (62, 2039060), (86, 1470020), (124, 1019530), (155, 815624), (172, 735010), (215, 588008), (248, 509765), (310, 407812), (344, 367505), (430, 294004), (620, 203906), (860, 147002), (1240, 101953), (1333, 94840), (1720, 73501), (2371, 53320), (2666, 47420), (4742, 26660), (5332, 23710), (6665, 18968), (9484, 13330), (10664, 11855)]