128267928

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{20477}}^1$

素因数の和:20521

約数の個数: 64

約数和(自身を含む): 368604000

約数和(自身を除く): 240336072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 6264, 20477, 40954, 61431, 81908, 122862, 163816, 184293, 245724, 368586, 491448, 552879, 593833, 737172, 1105758, 1187666, 1474344, 1781499, 2211516, 2375332, 3562998, 4423032, 4750664, 5344497, 7125996, 10688994, 14251992, 16033491, 21377988, 32066982, 42755976, 64133964, 128267928]

約数ペア:

[(1, 128267928), (2, 64133964), (3, 42755976), (4, 32066982), (6, 21377988), (8, 16033491), (9, 14251992), (12, 10688994), (18, 7125996), (24, 5344497), (27, 4750664), (29, 4423032), (36, 3562998), (54, 2375332), (58, 2211516), (72, 1781499), (87, 1474344), (108, 1187666), (116, 1105758), (174, 737172), (216, 593833), (232, 552879), (261, 491448), (348, 368586), (522, 245724), (696, 184293), (783, 163816), (1044, 122862), (1566, 81908), (2088, 61431), (3132, 40954), (6264, 20477)]