128831232

素因数分解:

$2^8\times 3^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 344700160

約数和(自身を除く): 215868928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 271, 384, 542, 619, 768, 813, 1084, 1238, 1626, 1857, 2168, 2476, 3252, 3714, 4336, 4952, 6504, 7428, 8672, 9904, 13008, 14856, 17344, 19808, 26016, 29712, 34688, 39616, 52032, 59424, 69376, 79232, 104064, 118848, 158464, 167749, 208128, 237696, 335498, 475392, 503247, 670996, 1006494, 1341992, 2012988, 2683984, 4025976, 5367968, 8051952, 10735936, 16103904, 21471872, 32207808, 42943744, 64415616, 128831232]

約数ペア:

[(1, 128831232), (2, 64415616), (3, 42943744), (4, 32207808), (6, 21471872), (8, 16103904), (12, 10735936), (16, 8051952), (24, 5367968), (32, 4025976), (48, 2683984), (64, 2012988), (96, 1341992), (128, 1006494), (192, 670996), (256, 503247), (271, 475392), (384, 335498), (542, 237696), (619, 208128), (768, 167749), (813, 158464), (1084, 118848), (1238, 104064), (1626, 79232), (1857, 69376), (2168, 59424), (2476, 52032), (3252, 39616), (3714, 34688), (4336, 29712), (4952, 26016), (6504, 19808), (7428, 17344), (8672, 14856), (9904, 13008)]