257748720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1073953}}^1$

素因数の和:1073969

約数の個数: 40

約数和(自身を含む): 799021776

約数和(自身を除く): 541273056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1073953, 2147906, 3221859, 4295812, 5369765, 6443718, 8591624, 10739530, 12887436, 16109295, 17183248, 21479060, 25774872, 32218590, 42958120, 51549744, 64437180, 85916240, 128874360, 257748720]

約数ペア:

[(1, 257748720), (2, 128874360), (3, 85916240), (4, 64437180), (5, 51549744), (6, 42958120), (8, 32218590), (10, 25774872), (12, 21479060), (15, 17183248), (16, 16109295), (20, 12887436), (24, 10739530), (30, 8591624), (40, 6443718), (48, 5369765), (60, 4295812), (80, 3221859), (120, 2147906), (240, 1073953)]