1899534720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{989341}}^1$

素因数の和:989363

約数の個数: 64

約数和(自身を含む): 6054773040

約数和(自身を除く): 4155238320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 989341, 1978682, 2968023, 3957364, 4946705, 5936046, 7914728, 9893410, 11872092, 14840115, 15829456, 19786820, 23744184, 29680230, 31658912, 39573640, 47488368, 59360460, 63317824, 79147280, 94976736, 118720920, 126635648, 158294560, 189953472, 237441840, 316589120, 379906944, 474883680, 633178240, 949767360, 1899534720]

約数ペア:

[(1, 1899534720), (2, 949767360), (3, 633178240), (4, 474883680), (5, 379906944), (6, 316589120), (8, 237441840), (10, 189953472), (12, 158294560), (15, 126635648), (16, 118720920), (20, 94976736), (24, 79147280), (30, 63317824), (32, 59360460), (40, 47488368), (48, 39573640), (60, 31658912), (64, 29680230), (80, 23744184), (96, 19786820), (120, 15829456), (128, 14840115), (160, 11872092), (192, 9893410), (240, 7914728), (320, 5936046), (384, 4946705), (480, 3957364), (640, 2968023), (960, 1978682), (1920, 989341)]