1389486720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1011

約数の個数: 256

約数和(自身を含む): 4780944000

約数和(自身を除く): 3391457280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 41, 48, 57, 60, 64, 76, 80, 82, 95, 96, 114, 120, 123, 128, 152, 160, 164, 190, 192, 205, 228, 240, 246, 285, 304, 320, 328, 380, 384, 410, 456, 480, 492, 570, 608, 615, 640, 656, 760, 779, 820, 912, 929, 960, 984, 1140, 1216, 1230, 1312, 1520, 1558, 1640, 1824, 1858, 1920, 1968, 2280, 2337, 2432, 2460, 2624, 2787, 3040, 3116, 3280, 3648, 3716, 3895, 3936, 4560, 4645, 4674, 4920, 5248, 5574, 6080, 6232, 6560, 7296, 7432, 7790, 7872, 9120, 9290, 9348, 9840, 11148, 11685, 12160, 12464, 13120, 13935, 14864, 15580, 15744, 17651, 18240, 18580, 18696, 19680, 22296, 23370, 24928, 26240, 27870, 29728, 31160, 35302, 36480, 37160, 37392, 38089, 39360, 44592, 46740, 49856, 52953, 55740, 59456, 62320, 70604, 74320, 74784, 76178, 78720, 88255, 89184, 93480, 99712, 105906, 111480, 114267, 118912, 124640, 141208, 148640, 149568, 152356, 176510, 178368, 186960, 190445, 211812, 222960, 228534, 249280, 264765, 282416, 297280, 299136, 304712, 353020, 356736, 373920, 380890, 423624, 445920, 457068, 498560, 529530, 564832, 571335, 594560, 609424, 706040, 723691, 747840, 761780, 847248, 891840, 914136, 1059060, 1129664, 1142670, 1218848, 1412080, 1447382, 1495680, 1523560, 1694496, 1783680, 1828272, 2118120, 2171073, 2259328, 2285340, 2437696, 2824160, 2894764, 3047120, 3388992, 3618455, 3656544, 4236240, 4342146, 4570680, 4875392, 5648320, 5789528, 6094240, 6777984, 7236910, 7313088, 8472480, 8684292, 9141360, 10855365, 11296640, 11579056, 12188480, 14473820, 14626176, 16944960, 17368584, 18282720, 21710730, 23158112, 24376960, 28947640, 33889920, 34737168, 36565440, 43421460, 46316224, 57895280, 69474336, 73130880, 86842920, 92632448, 115790560, 138948672, 173685840, 231581120, 277897344, 347371680, 463162240, 694743360, 1389486720]

約数ペア:

[(1, 1389486720), (2, 694743360), (3, 463162240), (4, 347371680), (5, 277897344), (6, 231581120), (8, 173685840), (10, 138948672), (12, 115790560), (15, 92632448), (16, 86842920), (19, 73130880), (20, 69474336), (24, 57895280), (30, 46316224), (32, 43421460), (38, 36565440), (40, 34737168), (41, 33889920), (48, 28947640), (57, 24376960), (60, 23158112), (64, 21710730), (76, 18282720), (80, 17368584), (82, 16944960), (95, 14626176), (96, 14473820), (114, 12188480), (120, 11579056), (123, 11296640), (128, 10855365), (152, 9141360), (160, 8684292), (164, 8472480), (190, 7313088), (192, 7236910), (205, 6777984), (228, 6094240), (240, 5789528), (246, 5648320), (285, 4875392), (304, 4570680), (320, 4342146), (328, 4236240), (380, 3656544), (384, 3618455), (410, 3388992), (456, 3047120), (480, 2894764), (492, 2824160), (570, 2437696), (608, 2285340), (615, 2259328), (640, 2171073), (656, 2118120), (760, 1828272), (779, 1783680), (820, 1694496), (912, 1523560), (929, 1495680), (960, 1447382), (984, 1412080), (1140, 1218848), (1216, 1142670), (1230, 1129664), (1312, 1059060), (1520, 914136), (1558, 891840), (1640, 847248), (1824, 761780), (1858, 747840), (1920, 723691), (1968, 706040), (2280, 609424), (2337, 594560), (2432, 571335), (2460, 564832), (2624, 529530), (2787, 498560), (3040, 457068), (3116, 445920), (3280, 423624), (3648, 380890), (3716, 373920), (3895, 356736), (3936, 353020), (4560, 304712), (4645, 299136), (4674, 297280), (4920, 282416), (5248, 264765), (5574, 249280), (6080, 228534), (6232, 222960), (6560, 211812), (7296, 190445), (7432, 186960), (7790, 178368), (7872, 176510), (9120, 152356), (9290, 149568), (9348, 148640), (9840, 141208), (11148, 124640), (11685, 118912), (12160, 114267), (12464, 111480), (13120, 105906), (13935, 99712), (14864, 93480), (15580, 89184), (15744, 88255), (17651, 78720), (18240, 76178), (18580, 74784), (18696, 74320), (19680, 70604), (22296, 62320), (23370, 59456), (24928, 55740), (26240, 52953), (27870, 49856), (29728, 46740), (31160, 44592), (35302, 39360), (36480, 38089), (37160, 37392)]