215202320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2112

約数の個数: 80

約数和(自身を含む): 536751360

約数和(自身を除く): 321549040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2003, 2686, 3160, 4006, 5372, 6320, 6715, 8012, 10015, 10744, 13430, 16024, 20030, 21488, 26860, 32048, 34051, 40060, 53720, 68102, 80120, 107440, 136204, 158237, 160240, 170255, 272408, 316474, 340510, 544816, 632948, 681020, 791185, 1265896, 1362040, 1582370, 2531792, 2690029, 2724080, 3164740, 5380058, 6329480, 10760116, 12658960, 13450145, 21520232, 26900290, 43040464, 53800580, 107601160, 215202320]

約数ペア:

[(1, 215202320), (2, 107601160), (4, 53800580), (5, 43040464), (8, 26900290), (10, 21520232), (16, 13450145), (17, 12658960), (20, 10760116), (34, 6329480), (40, 5380058), (68, 3164740), (79, 2724080), (80, 2690029), (85, 2531792), (136, 1582370), (158, 1362040), (170, 1265896), (272, 791185), (316, 681020), (340, 632948), (395, 544816), (632, 340510), (680, 316474), (790, 272408), (1264, 170255), (1343, 160240), (1360, 158237), (1580, 136204), (2003, 107440), (2686, 80120), (3160, 68102), (4006, 53720), (5372, 40060), (6320, 34051), (6715, 32048), (8012, 26860), (10015, 21488), (10744, 20030), (13430, 16024)]