1981776840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{70879}}^1$

素因数の和:71126

約数の個数: 64

約数和(自身を含む): 5970931200

約数和(自身を除く): 3989154360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 699, 932, 1165, 1398, 1864, 2330, 2796, 3495, 4660, 5592, 6990, 9320, 13980, 27960, 70879, 141758, 212637, 283516, 354395, 425274, 567032, 708790, 850548, 1063185, 1417580, 1701096, 2126370, 2835160, 4252740, 8505480, 16514807, 33029614, 49544421, 66059228, 82574035, 99088842, 132118456, 165148070, 198177684, 247722105, 330296140, 396355368, 495444210, 660592280, 990888420, 1981776840]

約数ペア:

[(1, 1981776840), (2, 990888420), (3, 660592280), (4, 495444210), (5, 396355368), (6, 330296140), (8, 247722105), (10, 198177684), (12, 165148070), (15, 132118456), (20, 99088842), (24, 82574035), (30, 66059228), (40, 49544421), (60, 33029614), (120, 16514807), (233, 8505480), (466, 4252740), (699, 2835160), (932, 2126370), (1165, 1701096), (1398, 1417580), (1864, 1063185), (2330, 850548), (2796, 708790), (3495, 567032), (4660, 425274), (5592, 354395), (6990, 283516), (9320, 212637), (13980, 141758), (27960, 70879)]