66709520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 164656128

約数和(自身を除く): 97946608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 727, 740, 1147, 1240, 1454, 1480, 2294, 2480, 2908, 2960, 3635, 4588, 5735, 5816, 7270, 9176, 11470, 11632, 14540, 18352, 22537, 22940, 26899, 29080, 45074, 45880, 53798, 58160, 90148, 91760, 107596, 112685, 134495, 180296, 215192, 225370, 268990, 360592, 430384, 450740, 537980, 833869, 901480, 1075960, 1667738, 1802960, 2151920, 3335476, 4169345, 6670952, 8338690, 13341904, 16677380, 33354760, 66709520]

約数ペア:

[(1, 66709520), (2, 33354760), (4, 16677380), (5, 13341904), (8, 8338690), (10, 6670952), (16, 4169345), (20, 3335476), (31, 2151920), (37, 1802960), (40, 1667738), (62, 1075960), (74, 901480), (80, 833869), (124, 537980), (148, 450740), (155, 430384), (185, 360592), (248, 268990), (296, 225370), (310, 215192), (370, 180296), (496, 134495), (592, 112685), (620, 107596), (727, 91760), (740, 90148), (1147, 58160), (1240, 53798), (1454, 45880), (1480, 45074), (2294, 29080), (2480, 26899), (2908, 22940), (2960, 22537), (3635, 18352), (4588, 14540), (5735, 11632), (5816, 11470), (7270, 9176)]