311206272

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2072

約数の個数: 128

約数和(自身を含む): 919403520

約数和(自身を除く): 608197248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1984, 2011, 2418, 2496, 2976, 3224, 3968, 4022, 4836, 4992, 5952, 6033, 6448, 8044, 9672, 11904, 12066, 12896, 16088, 19344, 24132, 25792, 26143, 32176, 38688, 48264, 51584, 52286, 62341, 64352, 77376, 78429, 96528, 104572, 124682, 128704, 154752, 156858, 187023, 193056, 209144, 249364, 257408, 313716, 374046, 386112, 418288, 498728, 627432, 748092, 772224, 810433, 836576, 997456, 1254864, 1496184, 1620866, 1673152, 1994912, 2431299, 2509728, 2992368, 3241732, 3346304, 3989824, 4862598, 5019456, 5984736, 6483464, 7979648, 9725196, 10038912, 11969472, 12966928, 19450392, 23938944, 25933856, 38900784, 51867712, 77801568, 103735424, 155603136, 311206272]

約数ペア:

[(1, 311206272), (2, 155603136), (3, 103735424), (4, 77801568), (6, 51867712), (8, 38900784), (12, 25933856), (13, 23938944), (16, 19450392), (24, 12966928), (26, 11969472), (31, 10038912), (32, 9725196), (39, 7979648), (48, 6483464), (52, 5984736), (62, 5019456), (64, 4862598), (78, 3989824), (93, 3346304), (96, 3241732), (104, 2992368), (124, 2509728), (128, 2431299), (156, 1994912), (186, 1673152), (192, 1620866), (208, 1496184), (248, 1254864), (312, 997456), (372, 836576), (384, 810433), (403, 772224), (416, 748092), (496, 627432), (624, 498728), (744, 418288), (806, 386112), (832, 374046), (992, 313716), (1209, 257408), (1248, 249364), (1488, 209144), (1612, 193056), (1664, 187023), (1984, 156858), (2011, 154752), (2418, 128704), (2496, 124682), (2976, 104572), (3224, 96528), (3968, 78429), (4022, 77376), (4836, 64352), (4992, 62341), (5952, 52286), (6033, 51584), (6448, 48264), (8044, 38688), (9672, 32176), (11904, 26143), (12066, 25792), (12896, 24132), (16088, 19344)]