78829280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 96

約数和(自身を含む): 200890368

約数和(自身を除く): 122061088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 368, 460, 496, 620, 691, 713, 736, 920, 992, 1240, 1382, 1426, 1840, 2480, 2764, 2852, 3455, 3565, 3680, 4960, 5528, 5704, 6910, 7130, 11056, 11408, 13820, 14260, 15893, 21421, 22112, 22816, 27640, 28520, 31786, 42842, 55280, 57040, 63572, 79465, 85684, 107105, 110560, 114080, 127144, 158930, 171368, 214210, 254288, 317860, 342736, 428420, 492683, 508576, 635720, 685472, 856840, 985366, 1271440, 1713680, 1970732, 2463415, 2542880, 3427360, 3941464, 4926830, 7882928, 9853660, 15765856, 19707320, 39414640, 78829280]

約数ペア:

[(1, 78829280), (2, 39414640), (4, 19707320), (5, 15765856), (8, 9853660), (10, 7882928), (16, 4926830), (20, 3941464), (23, 3427360), (31, 2542880), (32, 2463415), (40, 1970732), (46, 1713680), (62, 1271440), (80, 985366), (92, 856840), (115, 685472), (124, 635720), (155, 508576), (160, 492683), (184, 428420), (230, 342736), (248, 317860), (310, 254288), (368, 214210), (460, 171368), (496, 158930), (620, 127144), (691, 114080), (713, 110560), (736, 107105), (920, 85684), (992, 79465), (1240, 63572), (1382, 57040), (1426, 55280), (1840, 42842), (2480, 31786), (2764, 28520), (2852, 27640), (3455, 22816), (3565, 22112), (3680, 21421), (4960, 15893), (5528, 14260), (5704, 13820), (6910, 11408), (7130, 11056)]