320419320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205397}}^1$

素因数の和:205424

約数の個数: 64

約数和(自身を含む): 1035205920

約数和(自身を除く): 714786600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 205397, 410794, 616191, 821588, 1026985, 1232382, 1643176, 2053970, 2464764, 2670161, 3080955, 4107940, 4929528, 5340322, 6161910, 8010483, 8215880, 10680644, 12323820, 13350805, 16020966, 21361288, 24647640, 26701610, 32041932, 40052415, 53403220, 64083864, 80104830, 106806440, 160209660, 320419320]

約数ペア:

[(1, 320419320), (2, 160209660), (3, 106806440), (4, 80104830), (5, 64083864), (6, 53403220), (8, 40052415), (10, 32041932), (12, 26701610), (13, 24647640), (15, 21361288), (20, 16020966), (24, 13350805), (26, 12323820), (30, 10680644), (39, 8215880), (40, 8010483), (52, 6161910), (60, 5340322), (65, 4929528), (78, 4107940), (104, 3080955), (120, 2670161), (130, 2464764), (156, 2053970), (195, 1643176), (260, 1232382), (312, 1026985), (390, 821588), (520, 616191), (780, 410794), (1560, 205397)]