72037888

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 158114880

約数和(自身を除く): 86076992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 137, 158, 208, 256, 274, 316, 416, 512, 548, 632, 832, 1027, 1096, 1264, 1664, 1781, 2054, 2192, 2528, 3328, 3562, 4108, 4384, 5056, 6656, 7124, 8216, 8768, 10112, 10823, 14248, 16432, 17536, 20224, 21646, 28496, 32864, 35072, 40448, 43292, 56992, 65728, 70144, 86584, 113984, 131456, 140699, 173168, 227968, 262912, 281398, 346336, 455936, 525824, 562796, 692672, 911872, 1125592, 1385344, 2251184, 2770688, 4502368, 5541376, 9004736, 18009472, 36018944, 72037888]

約数ペア:

[(1, 72037888), (2, 36018944), (4, 18009472), (8, 9004736), (13, 5541376), (16, 4502368), (26, 2770688), (32, 2251184), (52, 1385344), (64, 1125592), (79, 911872), (104, 692672), (128, 562796), (137, 525824), (158, 455936), (208, 346336), (256, 281398), (274, 262912), (316, 227968), (416, 173168), (512, 140699), (548, 131456), (632, 113984), (832, 86584), (1027, 70144), (1096, 65728), (1264, 56992), (1664, 43292), (1781, 40448), (2054, 35072), (2192, 32864), (2528, 28496), (3328, 21646), (3562, 20224), (4108, 17536), (4384, 16432), (5056, 14248), (6656, 10823), (7124, 10112), (8216, 8768)]