18720560640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59453}}^1$

素因数の和:59520

約数の個数: 160

約数和(自身を含む): 61308013536

約数和(自身を除く): 42587452896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 512, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1312, 1536, 1640, 1920, 1968, 2460, 2560, 2624, 3280, 3840, 3936, 4920, 5248, 6560, 7680, 7872, 9840, 10496, 13120, 15744, 19680, 20992, 26240, 31488, 39360, 52480, 59453, 62976, 78720, 104960, 118906, 157440, 178359, 237812, 297265, 314880, 356718, 475624, 594530, 713436, 891795, 951248, 1189060, 1426872, 1783590, 1902496, 2378120, 2437573, 2853744, 3567180, 3804992, 4756240, 4875146, 5707488, 7134360, 7312719, 7609984, 9512480, 9750292, 11414976, 12187865, 14268720, 14625438, 15219968, 19024960, 19500584, 22829952, 24375730, 28537440, 29250876, 30439936, 36563595, 38049920, 39001168, 45659904, 48751460, 57074880, 58501752, 73127190, 76099840, 78002336, 91319808, 97502920, 114149760, 117003504, 146254380, 152199680, 156004672, 195005840, 228299520, 234007008, 292508760, 312009344, 390011680, 456599040, 468014016, 585017520, 624018688, 780023360, 936028032, 1170035040, 1248037376, 1560046720, 1872056064, 2340070080, 3120093440, 3744112128, 4680140160, 6240186880, 9360280320, 18720560640]

約数ペア:

[(1, 18720560640), (2, 9360280320), (3, 6240186880), (4, 4680140160), (5, 3744112128), (6, 3120093440), (8, 2340070080), (10, 1872056064), (12, 1560046720), (15, 1248037376), (16, 1170035040), (20, 936028032), (24, 780023360), (30, 624018688), (32, 585017520), (40, 468014016), (41, 456599040), (48, 390011680), (60, 312009344), (64, 292508760), (80, 234007008), (82, 228299520), (96, 195005840), (120, 156004672), (123, 152199680), (128, 146254380), (160, 117003504), (164, 114149760), (192, 97502920), (205, 91319808), (240, 78002336), (246, 76099840), (256, 73127190), (320, 58501752), (328, 57074880), (384, 48751460), (410, 45659904), (480, 39001168), (492, 38049920), (512, 36563595), (615, 30439936), (640, 29250876), (656, 28537440), (768, 24375730), (820, 22829952), (960, 19500584), (984, 19024960), (1230, 15219968), (1280, 14625438), (1312, 14268720), (1536, 12187865), (1640, 11414976), (1920, 9750292), (1968, 9512480), (2460, 7609984), (2560, 7312719), (2624, 7134360), (3280, 5707488), (3840, 4875146), (3936, 4756240), (4920, 3804992), (5248, 3567180), (6560, 2853744), (7680, 2437573), (7872, 2378120), (9840, 1902496), (10496, 1783590), (13120, 1426872), (15744, 1189060), (19680, 951248), (20992, 891795), (26240, 713436), (31488, 594530), (39360, 475624), (52480, 356718), (59453, 314880), (62976, 297265), (78720, 237812), (104960, 178359), (118906, 157440)]