77639680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 104

約数和(自身を含む): 198156672

約数和(自身を除く): 120516992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 223, 256, 272, 320, 340, 446, 512, 544, 640, 680, 892, 1024, 1088, 1115, 1280, 1360, 1784, 2048, 2176, 2230, 2560, 2720, 3568, 3791, 4096, 4352, 4460, 5120, 5440, 7136, 7582, 8704, 8920, 10240, 10880, 14272, 15164, 17408, 17840, 18955, 20480, 21760, 28544, 30328, 34816, 35680, 37910, 43520, 57088, 60656, 69632, 71360, 75820, 87040, 114176, 121312, 142720, 151640, 174080, 228352, 242624, 285440, 303280, 348160, 456704, 485248, 570880, 606560, 913408, 970496, 1141760, 1213120, 1940992, 2283520, 2426240, 3881984, 4567040, 4852480, 7763968, 9704960, 15527936, 19409920, 38819840, 77639680]

約数ペア:

[(1, 77639680), (2, 38819840), (4, 19409920), (5, 15527936), (8, 9704960), (10, 7763968), (16, 4852480), (17, 4567040), (20, 3881984), (32, 2426240), (34, 2283520), (40, 1940992), (64, 1213120), (68, 1141760), (80, 970496), (85, 913408), (128, 606560), (136, 570880), (160, 485248), (170, 456704), (223, 348160), (256, 303280), (272, 285440), (320, 242624), (340, 228352), (446, 174080), (512, 151640), (544, 142720), (640, 121312), (680, 114176), (892, 87040), (1024, 75820), (1088, 71360), (1115, 69632), (1280, 60656), (1360, 57088), (1784, 43520), (2048, 37910), (2176, 35680), (2230, 34816), (2560, 30328), (2720, 28544), (3568, 21760), (3791, 20480), (4096, 18955), (4352, 17840), (4460, 17408), (5120, 15164), (5440, 14272), (7136, 10880), (7582, 10240), (8704, 8920)]