1628280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4523}}^1$

素因数の和:4540

約数の個数: 48

約数和(自身を含む): 5293080

約数和(自身を除く): 3664800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 4523, 9046, 13569, 18092, 22615, 27138, 36184, 40707, 45230, 54276, 67845, 81414, 90460, 108552, 135690, 162828, 180920, 203535, 271380, 325656, 407070, 542760, 814140, 1628280]

約数ペア:

[(1, 1628280), (2, 814140), (3, 542760), (4, 407070), (5, 325656), (6, 271380), (8, 203535), (9, 180920), (10, 162828), (12, 135690), (15, 108552), (18, 90460), (20, 81414), (24, 67845), (30, 54276), (36, 45230), (40, 40707), (45, 36184), (60, 27138), (72, 22615), (90, 18092), (120, 13569), (180, 9046), (360, 4523)]