13426585720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 32352048000

約数和(自身を除く): 18925462280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 313, 317, 340, 398, 626, 634, 680, 796, 995, 1252, 1268, 1565, 1585, 1592, 1990, 2504, 2536, 3130, 3170, 3383, 3980, 5321, 5389, 6260, 6340, 6766, 7960, 10642, 10778, 12520, 12680, 13532, 16915, 21284, 21556, 26605, 26945, 27064, 33830, 42568, 43112, 53210, 53890, 62287, 63083, 67660, 99221, 106420, 107780, 124574, 126166, 135320, 198442, 212840, 215560, 249148, 252332, 311435, 315415, 396884, 496105, 498296, 504664, 622870, 630830, 793768, 992210, 1058879, 1072411, 1245740, 1261660, 1686757, 1984420, 2117758, 2144822, 2491480, 2523320, 3373514, 3968840, 4235516, 4289644, 5294395, 5362055, 6747028, 8433785, 8471032, 8579288, 10588790, 10724110, 13494056, 16867570, 19744979, 21177580, 21448220, 33735140, 39489958, 42355160, 42896440, 67470280, 78979916, 98724895, 157959832, 197449790, 335664643, 394899580, 671329286, 789799160, 1342658572, 1678323215, 2685317144, 3356646430, 6713292860, 13426585720]

約数ペア:

[(1, 13426585720), (2, 6713292860), (4, 3356646430), (5, 2685317144), (8, 1678323215), (10, 1342658572), (17, 789799160), (20, 671329286), (34, 394899580), (40, 335664643), (68, 197449790), (85, 157959832), (136, 98724895), (170, 78979916), (199, 67470280), (313, 42896440), (317, 42355160), (340, 39489958), (398, 33735140), (626, 21448220), (634, 21177580), (680, 19744979), (796, 16867570), (995, 13494056), (1252, 10724110), (1268, 10588790), (1565, 8579288), (1585, 8471032), (1592, 8433785), (1990, 6747028), (2504, 5362055), (2536, 5294395), (3130, 4289644), (3170, 4235516), (3383, 3968840), (3980, 3373514), (5321, 2523320), (5389, 2491480), (6260, 2144822), (6340, 2117758), (6766, 1984420), (7960, 1686757), (10642, 1261660), (10778, 1245740), (12520, 1072411), (12680, 1058879), (13532, 992210), (16915, 793768), (21284, 630830), (21556, 622870), (26605, 504664), (26945, 498296), (27064, 496105), (33830, 396884), (42568, 315415), (43112, 311435), (53210, 252332), (53890, 249148), (62287, 215560), (63083, 212840), (67660, 198442), (99221, 135320), (106420, 126166), (107780, 124574)]