12543280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 32301504

約数和(自身を除く): 19758224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 401, 460, 680, 782, 802, 920, 1360, 1564, 1604, 1840, 1955, 2005, 3128, 3208, 3910, 4010, 6256, 6416, 6817, 7820, 8020, 9223, 13634, 15640, 16040, 18446, 27268, 31280, 32080, 34085, 36892, 46115, 54536, 68170, 73784, 92230, 109072, 136340, 147568, 156791, 184460, 272680, 313582, 368920, 545360, 627164, 737840, 783955, 1254328, 1567910, 2508656, 3135820, 6271640, 12543280]

約数ペア:

[(1, 12543280), (2, 6271640), (4, 3135820), (5, 2508656), (8, 1567910), (10, 1254328), (16, 783955), (17, 737840), (20, 627164), (23, 545360), (34, 368920), (40, 313582), (46, 272680), (68, 184460), (80, 156791), (85, 147568), (92, 136340), (115, 109072), (136, 92230), (170, 73784), (184, 68170), (230, 54536), (272, 46115), (340, 36892), (368, 34085), (391, 32080), (401, 31280), (460, 27268), (680, 18446), (782, 16040), (802, 15640), (920, 13634), (1360, 9223), (1564, 8020), (1604, 7820), (1840, 6817), (1955, 6416), (2005, 6256), (3128, 4010), (3208, 3910)]