51408720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6491}}^1$

素因数の和:6521

約数の個数: 120

約数和(自身を含む): 188371872

約数和(自身を除く): 136963152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 6491, 7920, 12982, 19473, 25964, 32455, 38946, 51928, 58419, 64910, 71401, 77892, 97365, 103856, 116838, 129820, 142802, 155784, 194730, 214203, 233676, 259640, 285604, 292095, 311568, 357005, 389460, 428406, 467352, 519280, 571208, 584190, 642609, 714010, 778920, 856812, 934704, 1071015, 1142416, 1168380, 1285218, 1428020, 1557840, 1713624, 2142030, 2336760, 2570436, 2856040, 3213045, 3427248, 4284060, 4673520, 5140872, 5712080, 6426090, 8568120, 10281744, 12852180, 17136240, 25704360, 51408720]

約数ペア:

[(1, 51408720), (2, 25704360), (3, 17136240), (4, 12852180), (5, 10281744), (6, 8568120), (8, 6426090), (9, 5712080), (10, 5140872), (11, 4673520), (12, 4284060), (15, 3427248), (16, 3213045), (18, 2856040), (20, 2570436), (22, 2336760), (24, 2142030), (30, 1713624), (33, 1557840), (36, 1428020), (40, 1285218), (44, 1168380), (45, 1142416), (48, 1071015), (55, 934704), (60, 856812), (66, 778920), (72, 714010), (80, 642609), (88, 584190), (90, 571208), (99, 519280), (110, 467352), (120, 428406), (132, 389460), (144, 357005), (165, 311568), (176, 292095), (180, 285604), (198, 259640), (220, 233676), (240, 214203), (264, 194730), (330, 155784), (360, 142802), (396, 129820), (440, 116838), (495, 103856), (528, 97365), (660, 77892), (720, 71401), (792, 64910), (880, 58419), (990, 51928), (1320, 38946), (1584, 32455), (1980, 25964), (2640, 19473), (3960, 12982), (6491, 7920)]