78390780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100501}}^1$

素因数の和:100526

約数の個数: 48

約数和(自身を含む): 236380704

約数和(自身を除く): 157989924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 100501, 201002, 301503, 402004, 502505, 603006, 1005010, 1206012, 1306513, 1507515, 2010020, 2613026, 3015030, 3919539, 5226052, 6030060, 6532565, 7839078, 13065130, 15678156, 19597695, 26130260, 39195390, 78390780]

約数ペア:

[(1, 78390780), (2, 39195390), (3, 26130260), (4, 19597695), (5, 15678156), (6, 13065130), (10, 7839078), (12, 6532565), (13, 6030060), (15, 5226052), (20, 3919539), (26, 3015030), (30, 2613026), (39, 2010020), (52, 1507515), (60, 1306513), (65, 1206012), (78, 1005010), (130, 603006), (156, 502505), (195, 402004), (260, 301503), (390, 201002), (780, 100501)]