About the Number

120439872

120439871 ← → 120439873

2進数表記:111001011011100010001000000

漢数字表記:一億二千四十三万九千八百七十二

素因数分解:

2 6 × 3 4 × 7 1 × 3319 1

素因数の和:3350
約数の個数: 140
約数和(自身を含む): 408147520
約数和(自身を除く): 287707648

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 648, 672, 756, 864, 1008, 1134, 1296, 1344, 1512, 1728, 2016, 2268, 2592, 3024, 3319, 4032, 4536, 5184, 6048, 6638, 9072, 9957, 12096, 13276, 18144, 19914, 23233, 26552, 29871, 36288, 39828, 46466, 53104, 59742, 69699, 79656, 89613, 92932, 106208, 119484, 139398, 159312, 179226, 185864, 209097, 212416, 238968, 268839, 278796, 318624, 358452, 371728, 418194, 477936, 537678, 557592, 627291, 637248, 716904, 743456, 836388, 955872, 1075356, 1115184, 1254582, 1433808, 1486912, 1672776, 1881873, 1911744, 2150712, 2230368, 2509164, 2867616, 3345552, 3763746, 4301424, 4460736, 5018328, 5735232, 6691104, 7527492, 8602848, 10036656, 13382208, 15054984, 17205696, 20073312, 30109968, 40146624, 60219936, 120439872]

約数ペア:
[(1, 120439872), (2, 60219936), (3, 40146624), (4, 30109968), (6, 20073312), (7, 17205696), (8, 15054984), (9, 13382208), (12, 10036656), (14, 8602848), (16, 7527492), (18, 6691104), (21, 5735232), (24, 5018328), (27, 4460736), (28, 4301424), (32, 3763746), (36, 3345552), (42, 2867616), (48, 2509164), (54, 2230368), (56, 2150712), (63, 1911744), (64, 1881873), (72, 1672776), (81, 1486912), (84, 1433808), (96, 1254582), (108, 1115184), (112, 1075356), (126, 955872), (144, 836388), (162, 743456), (168, 716904), (189, 637248), (192, 627291), (216, 557592), (224, 537678), (252, 477936), (288, 418194), (324, 371728), (336, 358452), (378, 318624), (432, 278796), (448, 268839), (504, 238968), (567, 212416), (576, 209097), (648, 185864), (672, 179226), (756, 159312), (864, 139398), (1008, 119484), (1134, 106208), (1296, 92932), (1344, 89613), (1512, 79656), (1728, 69699), (2016, 59742), (2268, 53104), (2592, 46466), (3024, 39828), (3319, 36288), (4032, 29871), (4536, 26552), (5184, 23233), (6048, 19914), (6638, 18144), (9072, 13276), (9957, 12096)]

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