405875808

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 216

約数和(自身を含む): 1294937280

約数和(自身を除く): 889061472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 72, 78, 93, 96, 104, 117, 124, 144, 156, 169, 186, 208, 234, 248, 269, 279, 288, 312, 338, 372, 403, 416, 468, 496, 507, 538, 558, 624, 676, 744, 806, 807, 936, 992, 1014, 1076, 1116, 1209, 1248, 1352, 1488, 1521, 1612, 1614, 1872, 2028, 2152, 2232, 2418, 2421, 2704, 2976, 3042, 3224, 3228, 3497, 3627, 3744, 4056, 4304, 4464, 4836, 4842, 5239, 5408, 6084, 6448, 6456, 6994, 7254, 8112, 8339, 8608, 8928, 9672, 9684, 10478, 10491, 12168, 12896, 12912, 13988, 14508, 15717, 16224, 16678, 19344, 19368, 20956, 20982, 24336, 25017, 25824, 27976, 29016, 31434, 31473, 33356, 38688, 38736, 41912, 41964, 45461, 47151, 48672, 50034, 55952, 58032, 62868, 62946, 66712, 75051, 77472, 83824, 83928, 90922, 94302, 100068, 108407, 111904, 116064, 125736, 125892, 133424, 136383, 150102, 167648, 167856, 181844, 188604, 200136, 216814, 251472, 251784, 266848, 272766, 300204, 325221, 335712, 363688, 377208, 400272, 409149, 433628, 502944, 503568, 545532, 600408, 650442, 727376, 754416, 800544, 818298, 867256, 975663, 1007136, 1091064, 1200816, 1300884, 1409291, 1454752, 1508832, 1636596, 1734512, 1951326, 2182128, 2401632, 2601768, 2818582, 3273192, 3469024, 3902652, 4227873, 4364256, 5203536, 5637164, 6546384, 7805304, 8455746, 10407072, 11274328, 12683619, 13092768, 15610608, 16911492, 22548656, 25367238, 31221216, 33822984, 45097312, 50734476, 67645968, 101468952, 135291936, 202937904, 405875808]

約数ペア:

[(1, 405875808), (2, 202937904), (3, 135291936), (4, 101468952), (6, 67645968), (8, 50734476), (9, 45097312), (12, 33822984), (13, 31221216), (16, 25367238), (18, 22548656), (24, 16911492), (26, 15610608), (31, 13092768), (32, 12683619), (36, 11274328), (39, 10407072), (48, 8455746), (52, 7805304), (62, 6546384), (72, 5637164), (78, 5203536), (93, 4364256), (96, 4227873), (104, 3902652), (117, 3469024), (124, 3273192), (144, 2818582), (156, 2601768), (169, 2401632), (186, 2182128), (208, 1951326), (234, 1734512), (248, 1636596), (269, 1508832), (279, 1454752), (288, 1409291), (312, 1300884), (338, 1200816), (372, 1091064), (403, 1007136), (416, 975663), (468, 867256), (496, 818298), (507, 800544), (538, 754416), (558, 727376), (624, 650442), (676, 600408), (744, 545532), (806, 503568), (807, 502944), (936, 433628), (992, 409149), (1014, 400272), (1076, 377208), (1116, 363688), (1209, 335712), (1248, 325221), (1352, 300204), (1488, 272766), (1521, 266848), (1612, 251784), (1614, 251472), (1872, 216814), (2028, 200136), (2152, 188604), (2232, 181844), (2418, 167856), (2421, 167648), (2704, 150102), (2976, 136383), (3042, 133424), (3224, 125892), (3228, 125736), (3497, 116064), (3627, 111904), (3744, 108407), (4056, 100068), (4304, 94302), (4464, 90922), (4836, 83928), (4842, 83824), (5239, 77472), (5408, 75051), (6084, 66712), (6448, 62946), (6456, 62868), (6994, 58032), (7254, 55952), (8112, 50034), (8339, 48672), (8608, 47151), (8928, 45461), (9672, 41964), (9684, 41912), (10478, 38736), (10491, 38688), (12168, 33356), (12896, 31473), (12912, 31434), (13988, 29016), (14508, 27976), (15717, 25824), (16224, 25017), (16678, 24336), (19344, 20982), (19368, 20956)]