56540120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 160272000

約数和(自身を除く): 103731880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 317, 343, 364, 392, 455, 490, 520, 634, 637, 686, 728, 910, 980, 1268, 1274, 1372, 1585, 1715, 1820, 1960, 2219, 2536, 2548, 2744, 3170, 3185, 3430, 3640, 4121, 4438, 4459, 5096, 6340, 6370, 6860, 8242, 8876, 8918, 11095, 12680, 12740, 13720, 15533, 16484, 17752, 17836, 20605, 22190, 22295, 25480, 28847, 31066, 32968, 35672, 41210, 44380, 44590, 57694, 62132, 77665, 82420, 88760, 89180, 108731, 115388, 124264, 144235, 155330, 164840, 178360, 201929, 217462, 230776, 288470, 310660, 403858, 434924, 543655, 576940, 621320, 807716, 869848, 1009645, 1087310, 1153880, 1413503, 1615432, 2019290, 2174620, 2827006, 4038580, 4349240, 5654012, 7067515, 8077160, 11308024, 14135030, 28270060, 56540120]

約数ペア:

[(1, 56540120), (2, 28270060), (4, 14135030), (5, 11308024), (7, 8077160), (8, 7067515), (10, 5654012), (13, 4349240), (14, 4038580), (20, 2827006), (26, 2174620), (28, 2019290), (35, 1615432), (40, 1413503), (49, 1153880), (52, 1087310), (56, 1009645), (65, 869848), (70, 807716), (91, 621320), (98, 576940), (104, 543655), (130, 434924), (140, 403858), (182, 310660), (196, 288470), (245, 230776), (260, 217462), (280, 201929), (317, 178360), (343, 164840), (364, 155330), (392, 144235), (455, 124264), (490, 115388), (520, 108731), (634, 89180), (637, 88760), (686, 82420), (728, 77665), (910, 62132), (980, 57694), (1268, 44590), (1274, 44380), (1372, 41210), (1585, 35672), (1715, 32968), (1820, 31066), (1960, 28847), (2219, 25480), (2536, 22295), (2548, 22190), (2744, 20605), (3170, 17836), (3185, 17752), (3430, 16484), (3640, 15533), (4121, 13720), (4438, 12740), (4459, 12680), (5096, 11095), (6340, 8918), (6370, 8876), (6860, 8242)]