1215694720

素因数分解:

$2^7\times 5^1\times {\mathrm{1899523}}^1$

素因数の和:1899542

約数の個数: 32

約数和(自身を含む): 2906271720

約数和(自身を除く): 1690577000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1899523, 3799046, 7598092, 9497615, 15196184, 18995230, 30392368, 37990460, 60784736, 75980920, 121569472, 151961840, 243138944, 303923680, 607847360, 1215694720]

約数ペア:

[(1, 1215694720), (2, 607847360), (4, 303923680), (5, 243138944), (8, 151961840), (10, 121569472), (16, 75980920), (20, 60784736), (32, 37990460), (40, 30392368), (64, 18995230), (80, 15196184), (128, 9497615), (160, 7598092), (320, 3799046), (640, 1899523)]