238886640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1291}}^1$

素因数の和:1567

約数の個数: 120

約数和(自身を含む): 806006448

約数和(自身を除く): 567119808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 257, 360, 514, 720, 771, 1028, 1285, 1291, 1542, 2056, 2313, 2570, 2582, 3084, 3855, 3873, 4112, 4626, 5140, 5164, 6168, 6455, 7710, 7746, 9252, 10280, 10328, 11565, 11619, 12336, 12910, 15420, 15492, 18504, 19365, 20560, 20656, 23130, 23238, 25820, 30840, 30984, 37008, 38730, 46260, 46476, 51640, 58095, 61680, 61968, 77460, 92520, 92952, 103280, 116190, 154920, 185040, 185904, 232380, 309840, 331787, 464760, 663574, 929520, 995361, 1327148, 1658935, 1990722, 2654296, 2986083, 3317870, 3981444, 4976805, 5308592, 5972166, 6635740, 7962888, 9953610, 11944332, 13271480, 14930415, 15925776, 19907220, 23888664, 26542960, 29860830, 39814440, 47777328, 59721660, 79628880, 119443320, 238886640]

約数ペア:

[(1, 238886640), (2, 119443320), (3, 79628880), (4, 59721660), (5, 47777328), (6, 39814440), (8, 29860830), (9, 26542960), (10, 23888664), (12, 19907220), (15, 15925776), (16, 14930415), (18, 13271480), (20, 11944332), (24, 9953610), (30, 7962888), (36, 6635740), (40, 5972166), (45, 5308592), (48, 4976805), (60, 3981444), (72, 3317870), (80, 2986083), (90, 2654296), (120, 1990722), (144, 1658935), (180, 1327148), (240, 995361), (257, 929520), (360, 663574), (514, 464760), (720, 331787), (771, 309840), (1028, 232380), (1285, 185904), (1291, 185040), (1542, 154920), (2056, 116190), (2313, 103280), (2570, 92952), (2582, 92520), (3084, 77460), (3855, 61968), (3873, 61680), (4112, 58095), (4626, 51640), (5140, 46476), (5164, 46260), (6168, 38730), (6455, 37008), (7710, 30984), (7746, 30840), (9252, 25820), (10280, 23238), (10328, 23130), (11565, 20656), (11619, 20560), (12336, 19365), (12910, 18504), (15420, 15492)]