66898960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 162083376

約数和(自身を除く): 95184416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 233, 296, 370, 388, 466, 485, 592, 740, 776, 932, 970, 1165, 1480, 1552, 1864, 1940, 2330, 2960, 3589, 3728, 3880, 4660, 7178, 7760, 8621, 9320, 14356, 17242, 17945, 18640, 22601, 28712, 34484, 35890, 43105, 45202, 57424, 68968, 71780, 86210, 90404, 113005, 137936, 143560, 172420, 180808, 226010, 287120, 344840, 361616, 452020, 689680, 836237, 904040, 1672474, 1808080, 3344948, 4181185, 6689896, 8362370, 13379792, 16724740, 33449480, 66898960]

約数ペア:

[(1, 66898960), (2, 33449480), (4, 16724740), (5, 13379792), (8, 8362370), (10, 6689896), (16, 4181185), (20, 3344948), (37, 1808080), (40, 1672474), (74, 904040), (80, 836237), (97, 689680), (148, 452020), (185, 361616), (194, 344840), (233, 287120), (296, 226010), (370, 180808), (388, 172420), (466, 143560), (485, 137936), (592, 113005), (740, 90404), (776, 86210), (932, 71780), (970, 68968), (1165, 57424), (1480, 45202), (1552, 43105), (1864, 35890), (1940, 34484), (2330, 28712), (2960, 22601), (3589, 18640), (3728, 17945), (3880, 17242), (4660, 14356), (7178, 9320), (7760, 8621)]