1388678040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1285813}}^1$

素因数の和:1285833

約数の個数: 64

約数和(自身を含む): 4628930400

約数和(自身を除く): 3240252360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1285813, 2571626, 3857439, 5143252, 6429065, 7714878, 10286504, 11572317, 12858130, 15429756, 19287195, 23144634, 25716260, 30859512, 34716951, 38574390, 46289268, 51432520, 57861585, 69433902, 77148780, 92578536, 115723170, 138867804, 154297560, 173584755, 231446340, 277735608, 347169510, 462892680, 694339020, 1388678040]

約数ペア:

[(1, 1388678040), (2, 694339020), (3, 462892680), (4, 347169510), (5, 277735608), (6, 231446340), (8, 173584755), (9, 154297560), (10, 138867804), (12, 115723170), (15, 92578536), (18, 77148780), (20, 69433902), (24, 57861585), (27, 51432520), (30, 46289268), (36, 38574390), (40, 34716951), (45, 30859512), (54, 25716260), (60, 23144634), (72, 19287195), (90, 15429756), (108, 12858130), (120, 11572317), (135, 10286504), (180, 7714878), (216, 6429065), (270, 5143252), (360, 3857439), (540, 2571626), (1080, 1285813)]