1397520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{647}}^1$

素因数の和:669

約数の個数: 80

約数和(自身を含む): 4821120

約数和(自身を除く): 3423600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 647, 720, 1080, 1294, 1941, 2160, 2588, 3235, 3882, 5176, 5823, 6470, 7764, 9705, 10352, 11646, 12940, 15528, 17469, 19410, 23292, 25880, 29115, 31056, 34938, 38820, 46584, 51760, 58230, 69876, 77640, 87345, 93168, 116460, 139752, 155280, 174690, 232920, 279504, 349380, 465840, 698760, 1397520]

約数ペア:

[(1, 1397520), (2, 698760), (3, 465840), (4, 349380), (5, 279504), (6, 232920), (8, 174690), (9, 155280), (10, 139752), (12, 116460), (15, 93168), (16, 87345), (18, 77640), (20, 69876), (24, 58230), (27, 51760), (30, 46584), (36, 38820), (40, 34938), (45, 31056), (48, 29115), (54, 25880), (60, 23292), (72, 19410), (80, 17469), (90, 15528), (108, 12940), (120, 11646), (135, 10352), (144, 9705), (180, 7764), (216, 6470), (240, 5823), (270, 5176), (360, 3882), (432, 3235), (540, 2588), (647, 2160), (720, 1941), (1080, 1294)]