72926720

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 80

約数和(自身を含む): 178100208

約数和(自身を除く): 105173488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 467, 488, 512, 610, 640, 934, 976, 1220, 1280, 1868, 1952, 2335, 2440, 2560, 3736, 3904, 4670, 4880, 7472, 7808, 9340, 9760, 14944, 15616, 18680, 19520, 28487, 29888, 31232, 37360, 39040, 56974, 59776, 74720, 78080, 113948, 119552, 142435, 149440, 156160, 227896, 239104, 284870, 298880, 455792, 569740, 597760, 911584, 1139480, 1195520, 1823168, 2278960, 3646336, 4557920, 7292672, 9115840, 14585344, 18231680, 36463360, 72926720]

約数ペア:

[(1, 72926720), (2, 36463360), (4, 18231680), (5, 14585344), (8, 9115840), (10, 7292672), (16, 4557920), (20, 3646336), (32, 2278960), (40, 1823168), (61, 1195520), (64, 1139480), (80, 911584), (122, 597760), (128, 569740), (160, 455792), (244, 298880), (256, 284870), (305, 239104), (320, 227896), (467, 156160), (488, 149440), (512, 142435), (610, 119552), (640, 113948), (934, 78080), (976, 74720), (1220, 59776), (1280, 56974), (1868, 39040), (1952, 37360), (2335, 31232), (2440, 29888), (2560, 28487), (3736, 19520), (3904, 18680), (4670, 15616), (4880, 14944), (7472, 9760), (7808, 9340)]