12920426784

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{285749}}^1$

素因数の和:285922

約数の個数: 72

約数和(自身を含む): 36976621500

約数和(自身を除く): 24056194716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 471, 628, 942, 1256, 1413, 1884, 2512, 2826, 3768, 5024, 5652, 7536, 11304, 15072, 22608, 45216, 285749, 571498, 857247, 1142996, 1714494, 2285992, 2571741, 3428988, 4571984, 5143482, 6857976, 9143968, 10286964, 13715952, 20573928, 27431904, 41147856, 44862593, 82295712, 89725186, 134587779, 179450372, 269175558, 358900744, 403763337, 538351116, 717801488, 807526674, 1076702232, 1435602976, 1615053348, 2153404464, 3230106696, 4306808928, 6460213392, 12920426784]

約数ペア:

[(1, 12920426784), (2, 6460213392), (3, 4306808928), (4, 3230106696), (6, 2153404464), (8, 1615053348), (9, 1435602976), (12, 1076702232), (16, 807526674), (18, 717801488), (24, 538351116), (32, 403763337), (36, 358900744), (48, 269175558), (72, 179450372), (96, 134587779), (144, 89725186), (157, 82295712), (288, 44862593), (314, 41147856), (471, 27431904), (628, 20573928), (942, 13715952), (1256, 10286964), (1413, 9143968), (1884, 6857976), (2512, 5143482), (2826, 4571984), (3768, 3428988), (5024, 2571741), (5652, 2285992), (7536, 1714494), (11304, 1142996), (15072, 857247), (22608, 571498), (45216, 285749)]