15780074960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1\times {\mathrm{9157}}^1$

素因数の和:10840

約数の個数: 80

約数和(自身を含む): 39539042256

約数和(自身を除く): 23758967296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1657, 3314, 6628, 8285, 9157, 13256, 16570, 18314, 21541, 26512, 33140, 36628, 43082, 45785, 66280, 73256, 86164, 91570, 107705, 119041, 132560, 146512, 172328, 183140, 215410, 238082, 344656, 366280, 430820, 476164, 595205, 732560, 861640, 952328, 1190410, 1723280, 1904656, 2380820, 4761640, 9523280, 15173149, 30346298, 60692596, 75865745, 121385192, 151731490, 197250937, 242770384, 303462980, 394501874, 606925960, 789003748, 986254685, 1213851920, 1578007496, 1972509370, 3156014992, 3945018740, 7890037480, 15780074960]

約数ペア:

[(1, 15780074960), (2, 7890037480), (4, 3945018740), (5, 3156014992), (8, 1972509370), (10, 1578007496), (13, 1213851920), (16, 986254685), (20, 789003748), (26, 606925960), (40, 394501874), (52, 303462980), (65, 242770384), (80, 197250937), (104, 151731490), (130, 121385192), (208, 75865745), (260, 60692596), (520, 30346298), (1040, 15173149), (1657, 9523280), (3314, 4761640), (6628, 2380820), (8285, 1904656), (9157, 1723280), (13256, 1190410), (16570, 952328), (18314, 861640), (21541, 732560), (26512, 595205), (33140, 476164), (36628, 430820), (43082, 366280), (45785, 344656), (66280, 238082), (73256, 215410), (86164, 183140), (91570, 172328), (107705, 146512), (119041, 132560)]