123221904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1296

約数の個数: 80

約数和(自身を含む): 345019584

約数和(自身を除く): 221797680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 181, 208, 312, 362, 543, 624, 724, 1086, 1091, 1448, 2172, 2182, 2353, 2896, 3273, 4344, 4364, 4706, 6546, 7059, 8688, 8728, 9412, 13092, 14118, 14183, 17456, 18824, 26184, 28236, 28366, 37648, 42549, 52368, 56472, 56732, 85098, 112944, 113464, 170196, 197471, 226928, 340392, 394942, 592413, 680784, 789884, 1184826, 1579768, 2369652, 2567123, 3159536, 4739304, 5134246, 7701369, 9478608, 10268492, 15402738, 20536984, 30805476, 41073968, 61610952, 123221904]

約数ペア:

[(1, 123221904), (2, 61610952), (3, 41073968), (4, 30805476), (6, 20536984), (8, 15402738), (12, 10268492), (13, 9478608), (16, 7701369), (24, 5134246), (26, 4739304), (39, 3159536), (48, 2567123), (52, 2369652), (78, 1579768), (104, 1184826), (156, 789884), (181, 680784), (208, 592413), (312, 394942), (362, 340392), (543, 226928), (624, 197471), (724, 170196), (1086, 113464), (1091, 112944), (1448, 85098), (2172, 56732), (2182, 56472), (2353, 52368), (2896, 42549), (3273, 37648), (4344, 28366), (4364, 28236), (4706, 26184), (6546, 18824), (7059, 17456), (8688, 14183), (8728, 14118), (9412, 13092)]