73072640

素因数分解:

$2^{16}\times 5^1\times {\mathrm{223}}^1$

素因数の和:260

約数の個数: 68

約数和(自身を含む): 176159424

約数和(自身を除く): 103086784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 512, 640, 892, 1024, 1115, 1280, 1784, 2048, 2230, 2560, 3568, 4096, 4460, 5120, 7136, 8192, 8920, 10240, 14272, 16384, 17840, 20480, 28544, 32768, 35680, 40960, 57088, 65536, 71360, 81920, 114176, 142720, 163840, 228352, 285440, 327680, 456704, 570880, 913408, 1141760, 1826816, 2283520, 3653632, 4567040, 7307264, 9134080, 14614528, 18268160, 36536320, 73072640]

約数ペア:

[(1, 73072640), (2, 36536320), (4, 18268160), (5, 14614528), (8, 9134080), (10, 7307264), (16, 4567040), (20, 3653632), (32, 2283520), (40, 1826816), (64, 1141760), (80, 913408), (128, 570880), (160, 456704), (223, 327680), (256, 285440), (320, 228352), (446, 163840), (512, 142720), (640, 114176), (892, 81920), (1024, 71360), (1115, 65536), (1280, 57088), (1784, 40960), (2048, 35680), (2230, 32768), (2560, 28544), (3568, 20480), (4096, 17840), (4460, 16384), (5120, 14272), (7136, 10240), (8192, 8920)]