78720904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 163722240

約数和(自身を除く): 85001336

約数列:

[1, 2, 4, 8, 23, 31, 37, 46, 62, 74, 92, 124, 148, 184, 248, 296, 373, 713, 746, 851, 1147, 1426, 1492, 1702, 2294, 2852, 2984, 3404, 4588, 5704, 6808, 8579, 9176, 11563, 13801, 17158, 23126, 26381, 27602, 34316, 46252, 52762, 55204, 68632, 92504, 105524, 110408, 211048, 265949, 317423, 427831, 531898, 634846, 855662, 1063796, 1269692, 1711324, 2127592, 2539384, 3422648, 9840113, 19680226, 39360452, 78720904]

約数ペア:

[(1, 78720904), (2, 39360452), (4, 19680226), (8, 9840113), (23, 3422648), (31, 2539384), (37, 2127592), (46, 1711324), (62, 1269692), (74, 1063796), (92, 855662), (124, 634846), (148, 531898), (184, 427831), (248, 317423), (296, 265949), (373, 211048), (713, 110408), (746, 105524), (851, 92504), (1147, 68632), (1426, 55204), (1492, 52762), (1702, 46252), (2294, 34316), (2852, 27602), (2984, 26381), (3404, 23126), (4588, 17158), (5704, 13801), (6808, 11563), (8579, 9176)]