280961928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 192

約数和(自身を含む): 884782080

約数和(自身を除く): 603820152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 31, 36, 39, 46, 52, 62, 69, 72, 78, 92, 93, 104, 117, 124, 138, 156, 184, 186, 207, 234, 248, 276, 279, 299, 312, 372, 403, 414, 421, 468, 552, 558, 598, 713, 744, 806, 828, 842, 897, 936, 1116, 1196, 1209, 1263, 1426, 1612, 1656, 1684, 1794, 2139, 2232, 2392, 2418, 2526, 2691, 2852, 3224, 3368, 3588, 3627, 3789, 4278, 4836, 5052, 5382, 5473, 5704, 6417, 7176, 7254, 7578, 8556, 9269, 9672, 9683, 10104, 10764, 10946, 12834, 13051, 14508, 15156, 16419, 17112, 18538, 19366, 21528, 21892, 25668, 26102, 27807, 29016, 29049, 30312, 32838, 37076, 38732, 39153, 43784, 49257, 51336, 52204, 55614, 58098, 65676, 74152, 77464, 78306, 83421, 87147, 98514, 104408, 111228, 116196, 117459, 125879, 131352, 156612, 166842, 169663, 174294, 197028, 222456, 232392, 234918, 251758, 300173, 313224, 333684, 339326, 348588, 377637, 394056, 469836, 503516, 508989, 600346, 667368, 678652, 697176, 755274, 900519, 939672, 1007032, 1017978, 1132911, 1200692, 1357304, 1510548, 1526967, 1801038, 2035956, 2265822, 2401384, 2701557, 3021096, 3053934, 3602076, 3902249, 4071912, 4531644, 5403114, 6107868, 7204152, 7804498, 9063288, 10806228, 11706747, 12215736, 15608996, 21612456, 23413494, 31217992, 35120241, 46826988, 70240482, 93653976, 140480964, 280961928]

約数ペア:

[(1, 280961928), (2, 140480964), (3, 93653976), (4, 70240482), (6, 46826988), (8, 35120241), (9, 31217992), (12, 23413494), (13, 21612456), (18, 15608996), (23, 12215736), (24, 11706747), (26, 10806228), (31, 9063288), (36, 7804498), (39, 7204152), (46, 6107868), (52, 5403114), (62, 4531644), (69, 4071912), (72, 3902249), (78, 3602076), (92, 3053934), (93, 3021096), (104, 2701557), (117, 2401384), (124, 2265822), (138, 2035956), (156, 1801038), (184, 1526967), (186, 1510548), (207, 1357304), (234, 1200692), (248, 1132911), (276, 1017978), (279, 1007032), (299, 939672), (312, 900519), (372, 755274), (403, 697176), (414, 678652), (421, 667368), (468, 600346), (552, 508989), (558, 503516), (598, 469836), (713, 394056), (744, 377637), (806, 348588), (828, 339326), (842, 333684), (897, 313224), (936, 300173), (1116, 251758), (1196, 234918), (1209, 232392), (1263, 222456), (1426, 197028), (1612, 174294), (1656, 169663), (1684, 166842), (1794, 156612), (2139, 131352), (2232, 125879), (2392, 117459), (2418, 116196), (2526, 111228), (2691, 104408), (2852, 98514), (3224, 87147), (3368, 83421), (3588, 78306), (3627, 77464), (3789, 74152), (4278, 65676), (4836, 58098), (5052, 55614), (5382, 52204), (5473, 51336), (5704, 49257), (6417, 43784), (7176, 39153), (7254, 38732), (7578, 37076), (8556, 32838), (9269, 30312), (9672, 29049), (9683, 29016), (10104, 27807), (10764, 26102), (10946, 25668), (12834, 21892), (13051, 21528), (14508, 19366), (15156, 18538), (16419, 17112)]