1330693520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{55631}}^1$

素因数の和:55680

約数の個数: 80

約数和(自身を含む): 3476777472

約数和(自身を除く): 2146083952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 55631, 111262, 222524, 278155, 445048, 556310, 723203, 890096, 1112620, 1279513, 1446406, 2225240, 2559026, 2892812, 3616015, 4450480, 5118052, 5785624, 6397565, 7232030, 10236104, 11571248, 12795130, 14464060, 16633669, 20472208, 25590260, 28928120, 33267338, 51180520, 57856240, 66534676, 83168345, 102361040, 133069352, 166336690, 266138704, 332673380, 665346760, 1330693520]

約数ペア:

[(1, 1330693520), (2, 665346760), (4, 332673380), (5, 266138704), (8, 166336690), (10, 133069352), (13, 102361040), (16, 83168345), (20, 66534676), (23, 57856240), (26, 51180520), (40, 33267338), (46, 28928120), (52, 25590260), (65, 20472208), (80, 16633669), (92, 14464060), (104, 12795130), (115, 11571248), (130, 10236104), (184, 7232030), (208, 6397565), (230, 5785624), (260, 5118052), (299, 4450480), (368, 3616015), (460, 2892812), (520, 2559026), (598, 2225240), (920, 1446406), (1040, 1279513), (1196, 1112620), (1495, 890096), (1840, 723203), (2392, 556310), (2990, 445048), (4784, 278155), (5980, 222524), (11960, 111262), (23920, 55631)]