18886560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:116

約数の個数: 288

約数和(自身を含む): 76531392

約数和(自身を除く): 57644832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 73, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 146, 147, 154, 160, 165, 168, 176, 196, 210, 219, 220, 224, 231, 240, 245, 264, 280, 292, 294, 308, 330, 336, 352, 365, 385, 392, 420, 438, 440, 462, 480, 490, 511, 528, 539, 560, 584, 588, 616, 660, 672, 730, 735, 770, 784, 803, 840, 876, 880, 924, 980, 1022, 1056, 1078, 1095, 1120, 1155, 1168, 1176, 1232, 1320, 1460, 1470, 1533, 1540, 1568, 1606, 1617, 1680, 1752, 1760, 1848, 1960, 2044, 2156, 2190, 2310, 2336, 2352, 2409, 2464, 2555, 2640, 2695, 2920, 2940, 3066, 3080, 3212, 3234, 3360, 3504, 3577, 3696, 3920, 4015, 4088, 4312, 4380, 4620, 4704, 4818, 5110, 5280, 5390, 5621, 5840, 5880, 6132, 6160, 6424, 6468, 7008, 7154, 7392, 7665, 7840, 8030, 8085, 8176, 8624, 8760, 9240, 9636, 10220, 10731, 10780, 11242, 11680, 11760, 12045, 12264, 12320, 12848, 12936, 14308, 15330, 16060, 16170, 16352, 16863, 17248, 17520, 17885, 18480, 19272, 20440, 21462, 21560, 22484, 23520, 24090, 24528, 25696, 25872, 28105, 28616, 30660, 32120, 32340, 33726, 35040, 35770, 36960, 38544, 39347, 40880, 42924, 43120, 44968, 48180, 49056, 51744, 53655, 56210, 57232, 61320, 64240, 64680, 67452, 71540, 77088, 78694, 81760, 84315, 85848, 86240, 89936, 96360, 107310, 112420, 114464, 118041, 122640, 128480, 129360, 134904, 143080, 157388, 168630, 171696, 179872, 192720, 196735, 214620, 224840, 236082, 245280, 258720, 269808, 286160, 314776, 337260, 343392, 385440, 393470, 429240, 449680, 472164, 539616, 572320, 590205, 629552, 674520, 786940, 858480, 899360, 944328, 1180410, 1259104, 1349040, 1573880, 1716960, 1888656, 2360820, 2698080, 3147760, 3777312, 4721640, 6295520, 9443280, 18886560]

約数ペア:

[(1, 18886560), (2, 9443280), (3, 6295520), (4, 4721640), (5, 3777312), (6, 3147760), (7, 2698080), (8, 2360820), (10, 1888656), (11, 1716960), (12, 1573880), (14, 1349040), (15, 1259104), (16, 1180410), (20, 944328), (21, 899360), (22, 858480), (24, 786940), (28, 674520), (30, 629552), (32, 590205), (33, 572320), (35, 539616), (40, 472164), (42, 449680), (44, 429240), (48, 393470), (49, 385440), (55, 343392), (56, 337260), (60, 314776), (66, 286160), (70, 269808), (73, 258720), (77, 245280), (80, 236082), (84, 224840), (88, 214620), (96, 196735), (98, 192720), (105, 179872), (110, 171696), (112, 168630), (120, 157388), (132, 143080), (140, 134904), (146, 129360), (147, 128480), (154, 122640), (160, 118041), (165, 114464), (168, 112420), (176, 107310), (196, 96360), (210, 89936), (219, 86240), (220, 85848), (224, 84315), (231, 81760), (240, 78694), (245, 77088), (264, 71540), (280, 67452), (292, 64680), (294, 64240), (308, 61320), (330, 57232), (336, 56210), (352, 53655), (365, 51744), (385, 49056), (392, 48180), (420, 44968), (438, 43120), (440, 42924), (462, 40880), (480, 39347), (490, 38544), (511, 36960), (528, 35770), (539, 35040), (560, 33726), (584, 32340), (588, 32120), (616, 30660), (660, 28616), (672, 28105), (730, 25872), (735, 25696), (770, 24528), (784, 24090), (803, 23520), (840, 22484), (876, 21560), (880, 21462), (924, 20440), (980, 19272), (1022, 18480), (1056, 17885), (1078, 17520), (1095, 17248), (1120, 16863), (1155, 16352), (1168, 16170), (1176, 16060), (1232, 15330), (1320, 14308), (1460, 12936), (1470, 12848), (1533, 12320), (1540, 12264), (1568, 12045), (1606, 11760), (1617, 11680), (1680, 11242), (1752, 10780), (1760, 10731), (1848, 10220), (1960, 9636), (2044, 9240), (2156, 8760), (2190, 8624), (2310, 8176), (2336, 8085), (2352, 8030), (2409, 7840), (2464, 7665), (2555, 7392), (2640, 7154), (2695, 7008), (2920, 6468), (2940, 6424), (3066, 6160), (3080, 6132), (3212, 5880), (3234, 5840), (3360, 5621), (3504, 5390), (3577, 5280), (3696, 5110), (3920, 4818), (4015, 4704), (4088, 4620), (4312, 4380)]