257823540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1983

約数の個数: 192

約数和(自身を含む): 909753600

約数和(自身を除く): 651930060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 342, 351, 380, 390, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 855, 988, 1026, 1140, 1170, 1235, 1404, 1482, 1710, 1755, 1933, 2052, 2223, 2340, 2470, 2565, 2964, 3420, 3510, 3705, 3866, 4446, 4940, 5130, 5799, 6669, 7020, 7410, 7732, 8892, 9665, 10260, 11115, 11598, 13338, 14820, 17397, 19330, 22230, 23196, 25129, 26676, 28995, 33345, 34794, 36727, 38660, 44460, 50258, 52191, 57990, 66690, 69588, 73454, 75387, 86985, 100516, 104382, 110181, 115980, 125645, 133380, 146908, 150774, 173970, 183635, 208764, 220362, 226161, 251290, 260955, 301548, 330543, 347940, 367270, 376935, 440724, 452322, 477451, 502580, 521910, 550905, 661086, 678483, 734540, 753870, 904644, 954902, 991629, 1043820, 1101810, 1130805, 1322172, 1356966, 1432353, 1507740, 1652715, 1909804, 1983258, 2203620, 2261610, 2387255, 2713932, 2864706, 3305430, 3392415, 3966516, 4297059, 4523220, 4774510, 4958145, 5729412, 6610860, 6784830, 7161765, 8594118, 9549020, 9916290, 12891177, 13569660, 14323530, 17188236, 19832580, 21485295, 25782354, 28647060, 42970590, 51564708, 64455885, 85941180, 128911770, 257823540]

約数ペア:

[(1, 257823540), (2, 128911770), (3, 85941180), (4, 64455885), (5, 51564708), (6, 42970590), (9, 28647060), (10, 25782354), (12, 21485295), (13, 19832580), (15, 17188236), (18, 14323530), (19, 13569660), (20, 12891177), (26, 9916290), (27, 9549020), (30, 8594118), (36, 7161765), (38, 6784830), (39, 6610860), (45, 5729412), (52, 4958145), (54, 4774510), (57, 4523220), (60, 4297059), (65, 3966516), (76, 3392415), (78, 3305430), (90, 2864706), (95, 2713932), (108, 2387255), (114, 2261610), (117, 2203620), (130, 1983258), (135, 1909804), (156, 1652715), (171, 1507740), (180, 1432353), (190, 1356966), (195, 1322172), (228, 1130805), (234, 1101810), (247, 1043820), (260, 991629), (270, 954902), (285, 904644), (342, 753870), (351, 734540), (380, 678483), (390, 661086), (468, 550905), (494, 521910), (513, 502580), (540, 477451), (570, 452322), (585, 440724), (684, 376935), (702, 367270), (741, 347940), (780, 330543), (855, 301548), (988, 260955), (1026, 251290), (1140, 226161), (1170, 220362), (1235, 208764), (1404, 183635), (1482, 173970), (1710, 150774), (1755, 146908), (1933, 133380), (2052, 125645), (2223, 115980), (2340, 110181), (2470, 104382), (2565, 100516), (2964, 86985), (3420, 75387), (3510, 73454), (3705, 69588), (3866, 66690), (4446, 57990), (4940, 52191), (5130, 50258), (5799, 44460), (6669, 38660), (7020, 36727), (7410, 34794), (7732, 33345), (8892, 28995), (9665, 26676), (10260, 25129), (11115, 23196), (11598, 22230), (13338, 19330), (14820, 17397)]