72856448

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 178083840

約数和(自身を除く): 105227392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 56, 61, 62, 64, 86, 112, 122, 124, 128, 172, 217, 224, 244, 248, 301, 344, 427, 434, 448, 488, 496, 602, 688, 854, 868, 896, 976, 992, 1204, 1333, 1376, 1708, 1736, 1891, 1952, 1984, 2408, 2623, 2666, 2752, 3416, 3472, 3782, 3904, 3968, 4816, 5246, 5332, 5504, 6832, 6944, 7564, 7808, 9331, 9632, 10492, 10664, 13237, 13664, 13888, 15128, 18361, 18662, 19264, 20984, 21328, 26474, 27328, 27776, 30256, 36722, 37324, 38528, 41968, 42656, 52948, 54656, 60512, 73444, 74648, 81313, 83936, 85312, 105896, 121024, 146888, 149296, 162626, 167872, 170624, 211792, 242048, 293776, 298592, 325252, 335744, 423584, 569191, 587552, 597184, 650504, 847168, 1138382, 1175104, 1194368, 1301008, 1694336, 2276764, 2350208, 2602016, 4553528, 5204032, 9107056, 10408064, 18214112, 36428224, 72856448]

約数ペア:

[(1, 72856448), (2, 36428224), (4, 18214112), (7, 10408064), (8, 9107056), (14, 5204032), (16, 4553528), (28, 2602016), (31, 2350208), (32, 2276764), (43, 1694336), (56, 1301008), (61, 1194368), (62, 1175104), (64, 1138382), (86, 847168), (112, 650504), (122, 597184), (124, 587552), (128, 569191), (172, 423584), (217, 335744), (224, 325252), (244, 298592), (248, 293776), (301, 242048), (344, 211792), (427, 170624), (434, 167872), (448, 162626), (488, 149296), (496, 146888), (602, 121024), (688, 105896), (854, 85312), (868, 83936), (896, 81313), (976, 74648), (992, 73444), (1204, 60512), (1333, 54656), (1376, 52948), (1708, 42656), (1736, 41968), (1891, 38528), (1952, 37324), (1984, 36722), (2408, 30256), (2623, 27776), (2666, 27328), (2752, 26474), (3416, 21328), (3472, 20984), (3782, 19264), (3904, 18662), (3968, 18361), (4816, 15128), (5246, 13888), (5332, 13664), (5504, 13237), (6832, 10664), (6944, 10492), (7564, 9632), (7808, 9331)]