80540480

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:424

約数の個数: 112

約数和(自身を含む): 207166464

約数和(自身を除く): 126625984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 353, 368, 460, 496, 620, 706, 713, 736, 920, 992, 1240, 1412, 1426, 1472, 1765, 1840, 1984, 2480, 2824, 2852, 3530, 3565, 3680, 4960, 5648, 5704, 7060, 7130, 7360, 8119, 9920, 10943, 11296, 11408, 14120, 14260, 16238, 21886, 22592, 22816, 28240, 28520, 32476, 40595, 43772, 45632, 54715, 56480, 57040, 64952, 81190, 87544, 109430, 112960, 114080, 129904, 162380, 175088, 218860, 228160, 251689, 259808, 324760, 350176, 437720, 503378, 519616, 649520, 700352, 875440, 1006756, 1258445, 1299040, 1750880, 2013512, 2516890, 2598080, 3501760, 4027024, 5033780, 8054048, 10067560, 16108096, 20135120, 40270240, 80540480]

約数ペア:

[(1, 80540480), (2, 40270240), (4, 20135120), (5, 16108096), (8, 10067560), (10, 8054048), (16, 5033780), (20, 4027024), (23, 3501760), (31, 2598080), (32, 2516890), (40, 2013512), (46, 1750880), (62, 1299040), (64, 1258445), (80, 1006756), (92, 875440), (115, 700352), (124, 649520), (155, 519616), (160, 503378), (184, 437720), (230, 350176), (248, 324760), (310, 259808), (320, 251689), (353, 228160), (368, 218860), (460, 175088), (496, 162380), (620, 129904), (706, 114080), (713, 112960), (736, 109430), (920, 87544), (992, 81190), (1240, 64952), (1412, 57040), (1426, 56480), (1472, 54715), (1765, 45632), (1840, 43772), (1984, 40595), (2480, 32476), (2824, 28520), (2852, 28240), (3530, 22816), (3565, 22592), (3680, 21886), (4960, 16238), (5648, 14260), (5704, 14120), (7060, 11408), (7130, 11296), (7360, 10943), (8119, 9920)]