66998640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2131}}^1$

素因数の和:2278

約数の個数: 80

約数和(自身を含む): 209379456

約数和(自身を除く): 142380816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2131, 2620, 3144, 3930, 4262, 5240, 6288, 6393, 7860, 8524, 10480, 10655, 12786, 15720, 17048, 21310, 25572, 31440, 31965, 34096, 42620, 51144, 63930, 85240, 102288, 127860, 170480, 255720, 279161, 511440, 558322, 837483, 1116644, 1395805, 1674966, 2233288, 2791610, 3349932, 4187415, 4466576, 5583220, 6699864, 8374830, 11166440, 13399728, 16749660, 22332880, 33499320, 66998640]

約数ペア:

[(1, 66998640), (2, 33499320), (3, 22332880), (4, 16749660), (5, 13399728), (6, 11166440), (8, 8374830), (10, 6699864), (12, 5583220), (15, 4466576), (16, 4187415), (20, 3349932), (24, 2791610), (30, 2233288), (40, 1674966), (48, 1395805), (60, 1116644), (80, 837483), (120, 558322), (131, 511440), (240, 279161), (262, 255720), (393, 170480), (524, 127860), (655, 102288), (786, 85240), (1048, 63930), (1310, 51144), (1572, 42620), (1965, 34096), (2096, 31965), (2131, 31440), (2620, 25572), (3144, 21310), (3930, 17048), (4262, 15720), (5240, 12786), (6288, 10655), (6393, 10480), (7860, 8524)]