320911968

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257141}}^1$

素因数の和:257167

約数の個数: 48

約数和(自身を含む): 907196976

約数和(自身を除く): 586285008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 257141, 514282, 771423, 1028564, 1542846, 2057128, 3085692, 3342833, 4114256, 6171384, 6685666, 8228512, 10028499, 12342768, 13371332, 20056998, 24685536, 26742664, 40113996, 53485328, 80227992, 106970656, 160455984, 320911968]

約数ペア:

[(1, 320911968), (2, 160455984), (3, 106970656), (4, 80227992), (6, 53485328), (8, 40113996), (12, 26742664), (13, 24685536), (16, 20056998), (24, 13371332), (26, 12342768), (32, 10028499), (39, 8228512), (48, 6685666), (52, 6171384), (78, 4114256), (96, 3342833), (104, 3085692), (156, 2057128), (208, 1542846), (312, 1028564), (416, 771423), (624, 514282), (1248, 257141)]