261738160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2411}}^1$

素因数の和:2506

約数の個数: 80

約数和(自身を含む): 646030080

約数和(自身を除く): 384291920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 184, 230, 236, 295, 368, 460, 472, 590, 920, 944, 1180, 1357, 1840, 2360, 2411, 2714, 4720, 4822, 5428, 6785, 9644, 10856, 12055, 13570, 19288, 21712, 24110, 27140, 38576, 48220, 54280, 55453, 96440, 108560, 110906, 142249, 192880, 221812, 277265, 284498, 443624, 554530, 568996, 711245, 887248, 1109060, 1137992, 1422490, 2218120, 2275984, 2844980, 3271727, 4436240, 5689960, 6543454, 11379920, 13086908, 16358635, 26173816, 32717270, 52347632, 65434540, 130869080, 261738160]

約数ペア:

[(1, 261738160), (2, 130869080), (4, 65434540), (5, 52347632), (8, 32717270), (10, 26173816), (16, 16358635), (20, 13086908), (23, 11379920), (40, 6543454), (46, 5689960), (59, 4436240), (80, 3271727), (92, 2844980), (115, 2275984), (118, 2218120), (184, 1422490), (230, 1137992), (236, 1109060), (295, 887248), (368, 711245), (460, 568996), (472, 554530), (590, 443624), (920, 284498), (944, 277265), (1180, 221812), (1357, 192880), (1840, 142249), (2360, 110906), (2411, 108560), (2714, 96440), (4720, 55453), (4822, 54280), (5428, 48220), (6785, 38576), (9644, 27140), (10856, 24110), (12055, 21712), (13570, 19288)]