171297440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 96

約数和(自身を含む): 435020544

約数和(自身を除く): 263723104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 71, 80, 85, 136, 142, 160, 170, 272, 284, 340, 355, 544, 568, 680, 710, 887, 1136, 1207, 1360, 1420, 1774, 2272, 2414, 2720, 2840, 3548, 4435, 4828, 5680, 6035, 7096, 8870, 9656, 11360, 12070, 14192, 15079, 17740, 19312, 24140, 28384, 30158, 35480, 38624, 48280, 60316, 62977, 70960, 75395, 96560, 120632, 125954, 141920, 150790, 193120, 241264, 251908, 301580, 314885, 482528, 503816, 603160, 629770, 1007632, 1070609, 1206320, 1259540, 2015264, 2141218, 2412640, 2519080, 4282436, 5038160, 5353045, 8564872, 10076320, 10706090, 17129744, 21412180, 34259488, 42824360, 85648720, 171297440]

約数ペア:

[(1, 171297440), (2, 85648720), (4, 42824360), (5, 34259488), (8, 21412180), (10, 17129744), (16, 10706090), (17, 10076320), (20, 8564872), (32, 5353045), (34, 5038160), (40, 4282436), (68, 2519080), (71, 2412640), (80, 2141218), (85, 2015264), (136, 1259540), (142, 1206320), (160, 1070609), (170, 1007632), (272, 629770), (284, 603160), (340, 503816), (355, 482528), (544, 314885), (568, 301580), (680, 251908), (710, 241264), (887, 193120), (1136, 150790), (1207, 141920), (1360, 125954), (1420, 120632), (1774, 96560), (2272, 75395), (2414, 70960), (2720, 62977), (2840, 60316), (3548, 48280), (4435, 38624), (4828, 35480), (5680, 30158), (6035, 28384), (7096, 24140), (8870, 19312), (9656, 17740), (11360, 15079), (12070, 14192)]