205115840

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:131

約数の個数: 168

約数和(自身を含む): 544799520

約数和(自身を除く): 339683680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 31, 32, 40, 46, 58, 62, 64, 80, 92, 115, 116, 124, 145, 155, 160, 184, 230, 232, 248, 290, 310, 320, 368, 460, 464, 496, 580, 620, 667, 713, 736, 899, 920, 928, 961, 992, 1160, 1240, 1334, 1426, 1472, 1798, 1840, 1856, 1922, 1984, 2320, 2480, 2668, 2852, 3335, 3565, 3596, 3680, 3844, 4495, 4640, 4805, 4960, 5336, 5704, 6670, 7130, 7192, 7360, 7688, 8990, 9280, 9610, 9920, 10672, 11408, 13340, 14260, 14384, 15376, 17980, 19220, 20677, 21344, 22103, 22816, 26680, 27869, 28520, 28768, 30752, 35960, 38440, 41354, 42688, 44206, 45632, 53360, 55738, 57040, 57536, 61504, 71920, 76880, 82708, 88412, 103385, 106720, 110515, 111476, 114080, 139345, 143840, 153760, 165416, 176824, 206770, 213440, 221030, 222952, 228160, 278690, 287680, 307520, 330832, 353648, 413540, 442060, 445904, 557380, 640987, 661664, 707296, 827080, 884120, 891808, 1114760, 1281974, 1323328, 1414592, 1654160, 1768240, 1783616, 2229520, 2563948, 3204935, 3308320, 3536480, 4459040, 5127896, 6409870, 6616640, 7072960, 8918080, 10255792, 12819740, 20511584, 25639480, 41023168, 51278960, 102557920, 205115840]

約数ペア:

[(1, 205115840), (2, 102557920), (4, 51278960), (5, 41023168), (8, 25639480), (10, 20511584), (16, 12819740), (20, 10255792), (23, 8918080), (29, 7072960), (31, 6616640), (32, 6409870), (40, 5127896), (46, 4459040), (58, 3536480), (62, 3308320), (64, 3204935), (80, 2563948), (92, 2229520), (115, 1783616), (116, 1768240), (124, 1654160), (145, 1414592), (155, 1323328), (160, 1281974), (184, 1114760), (230, 891808), (232, 884120), (248, 827080), (290, 707296), (310, 661664), (320, 640987), (368, 557380), (460, 445904), (464, 442060), (496, 413540), (580, 353648), (620, 330832), (667, 307520), (713, 287680), (736, 278690), (899, 228160), (920, 222952), (928, 221030), (961, 213440), (992, 206770), (1160, 176824), (1240, 165416), (1334, 153760), (1426, 143840), (1472, 139345), (1798, 114080), (1840, 111476), (1856, 110515), (1922, 106720), (1984, 103385), (2320, 88412), (2480, 82708), (2668, 76880), (2852, 71920), (3335, 61504), (3565, 57536), (3596, 57040), (3680, 55738), (3844, 53360), (4495, 45632), (4640, 44206), (4805, 42688), (4960, 41354), (5336, 38440), (5704, 35960), (6670, 30752), (7130, 28768), (7192, 28520), (7360, 27869), (7688, 26680), (8990, 22816), (9280, 22103), (9610, 21344), (9920, 20677), (10672, 19220), (11408, 17980), (13340, 15376), (14260, 14384)]