128879136

素因数分解:

$2^5\times 3^2\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1354

約数の個数: 72

約数和(自身を含む): 367596684

約数和(自身を除く): 238717548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 661, 677, 1322, 1354, 1983, 2031, 2644, 2708, 3966, 4062, 5288, 5416, 5949, 6093, 7932, 8124, 10576, 10832, 11898, 12186, 15864, 16248, 21152, 21664, 23796, 24372, 31728, 32496, 47592, 48744, 63456, 64992, 95184, 97488, 190368, 194976, 447497, 894994, 1342491, 1789988, 2684982, 3579976, 4027473, 5369964, 7159952, 8054946, 10739928, 14319904, 16109892, 21479856, 32219784, 42959712, 64439568, 128879136]

約数ペア:

[(1, 128879136), (2, 64439568), (3, 42959712), (4, 32219784), (6, 21479856), (8, 16109892), (9, 14319904), (12, 10739928), (16, 8054946), (18, 7159952), (24, 5369964), (32, 4027473), (36, 3579976), (48, 2684982), (72, 1789988), (96, 1342491), (144, 894994), (288, 447497), (661, 194976), (677, 190368), (1322, 97488), (1354, 95184), (1983, 64992), (2031, 63456), (2644, 48744), (2708, 47592), (3966, 32496), (4062, 31728), (5288, 24372), (5416, 23796), (5949, 21664), (6093, 21152), (7932, 16248), (8124, 15864), (10576, 12186), (10832, 11898)]