722790320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8221}}^1$

素因数の和:8398

約数の個数: 80

約数和(自身を含む): 1933025088

約数和(自身を除く): 1210234768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 4396, 5495, 6280, 8221, 8792, 10990, 12560, 16442, 17584, 21980, 32884, 41105, 43960, 57547, 65768, 82210, 87920, 115094, 131536, 164420, 230188, 287735, 328840, 460376, 575470, 657680, 920752, 1150940, 1290697, 2301880, 2581394, 4603760, 5162788, 6453485, 9034879, 10325576, 12906970, 18069758, 20651152, 25813940, 36139516, 45174395, 51627880, 72279032, 90348790, 103255760, 144558064, 180697580, 361395160, 722790320]

約数ペア:

[(1, 722790320), (2, 361395160), (4, 180697580), (5, 144558064), (7, 103255760), (8, 90348790), (10, 72279032), (14, 51627880), (16, 45174395), (20, 36139516), (28, 25813940), (35, 20651152), (40, 18069758), (56, 12906970), (70, 10325576), (80, 9034879), (112, 6453485), (140, 5162788), (157, 4603760), (280, 2581394), (314, 2301880), (560, 1290697), (628, 1150940), (785, 920752), (1099, 657680), (1256, 575470), (1570, 460376), (2198, 328840), (2512, 287735), (3140, 230188), (4396, 164420), (5495, 131536), (6280, 115094), (8221, 87920), (8792, 82210), (10990, 65768), (12560, 57547), (16442, 43960), (17584, 41105), (21980, 32884)]