405089568

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:707

約数の個数: 144

約数和(自身を含む): 1248372216

約数和(自身を除く): 843282648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 257, 288, 312, 416, 421, 468, 514, 624, 771, 842, 936, 1028, 1248, 1263, 1542, 1684, 1872, 2056, 2313, 2526, 3084, 3341, 3368, 3744, 3789, 4112, 4626, 5052, 5473, 6168, 6682, 6736, 7578, 8224, 9252, 10023, 10104, 10946, 12336, 13364, 13472, 15156, 16419, 18504, 20046, 20208, 21892, 24672, 26728, 30069, 30312, 32838, 37008, 40092, 40416, 43784, 49257, 53456, 60138, 60624, 65676, 74016, 80184, 87568, 98514, 106912, 108197, 120276, 121248, 131352, 160368, 175136, 197028, 216394, 240552, 262704, 320736, 324591, 394056, 432788, 481104, 525408, 649182, 788112, 865576, 962208, 973773, 1298364, 1406561, 1576224, 1731152, 1947546, 2596728, 2813122, 3462304, 3895092, 4219683, 5193456, 5626244, 7790184, 8439366, 10386912, 11252488, 12659049, 15580368, 16878732, 22504976, 25318098, 31160736, 33757464, 45009952, 50636196, 67514928, 101272392, 135029856, 202544784, 405089568]

約数ペア:

[(1, 405089568), (2, 202544784), (3, 135029856), (4, 101272392), (6, 67514928), (8, 50636196), (9, 45009952), (12, 33757464), (13, 31160736), (16, 25318098), (18, 22504976), (24, 16878732), (26, 15580368), (32, 12659049), (36, 11252488), (39, 10386912), (48, 8439366), (52, 7790184), (72, 5626244), (78, 5193456), (96, 4219683), (104, 3895092), (117, 3462304), (144, 2813122), (156, 2596728), (208, 1947546), (234, 1731152), (257, 1576224), (288, 1406561), (312, 1298364), (416, 973773), (421, 962208), (468, 865576), (514, 788112), (624, 649182), (771, 525408), (842, 481104), (936, 432788), (1028, 394056), (1248, 324591), (1263, 320736), (1542, 262704), (1684, 240552), (1872, 216394), (2056, 197028), (2313, 175136), (2526, 160368), (3084, 131352), (3341, 121248), (3368, 120276), (3744, 108197), (3789, 106912), (4112, 98514), (4626, 87568), (5052, 80184), (5473, 74016), (6168, 65676), (6682, 60624), (6736, 60138), (7578, 53456), (8224, 49257), (9252, 43784), (10023, 40416), (10104, 40092), (10946, 37008), (12336, 32838), (13364, 30312), (13472, 30069), (15156, 26728), (16419, 24672), (18504, 21892), (20046, 20208)]