12571120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 31212288

約数和(自身を除く): 18641168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 137, 148, 155, 185, 248, 274, 296, 310, 370, 496, 548, 592, 620, 685, 740, 1096, 1147, 1240, 1370, 1480, 2192, 2294, 2480, 2740, 2960, 4247, 4588, 5069, 5480, 5735, 8494, 9176, 10138, 10960, 11470, 16988, 18352, 20276, 21235, 22940, 25345, 33976, 40552, 42470, 45880, 50690, 67952, 81104, 84940, 91760, 101380, 157139, 169880, 202760, 314278, 339760, 405520, 628556, 785695, 1257112, 1571390, 2514224, 3142780, 6285560, 12571120]

約数ペア:

[(1, 12571120), (2, 6285560), (4, 3142780), (5, 2514224), (8, 1571390), (10, 1257112), (16, 785695), (20, 628556), (31, 405520), (37, 339760), (40, 314278), (62, 202760), (74, 169880), (80, 157139), (124, 101380), (137, 91760), (148, 84940), (155, 81104), (185, 67952), (248, 50690), (274, 45880), (296, 42470), (310, 40552), (370, 33976), (496, 25345), (548, 22940), (592, 21235), (620, 20276), (685, 18352), (740, 16988), (1096, 11470), (1147, 10960), (1240, 10138), (1370, 9176), (1480, 8494), (2192, 5735), (2294, 5480), (2480, 5069), (2740, 4588), (2960, 4247)]