19578240

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 256

約数和(自身を含む): 76377600

約数和(自身を除く): 56799360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 103, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 206, 216, 220, 240, 264, 270, 288, 297, 309, 320, 330, 352, 360, 384, 396, 412, 432, 440, 480, 495, 515, 528, 540, 576, 594, 618, 640, 660, 704, 720, 792, 824, 864, 880, 927, 960, 990, 1030, 1056, 1080, 1133, 1152, 1188, 1236, 1320, 1408, 1440, 1485, 1545, 1584, 1648, 1728, 1760, 1854, 1920, 1980, 2060, 2112, 2160, 2266, 2376, 2472, 2640, 2781, 2880, 2970, 3090, 3168, 3296, 3399, 3456, 3520, 3708, 3960, 4120, 4224, 4320, 4532, 4635, 4752, 4944, 5280, 5562, 5665, 5760, 5940, 6180, 6336, 6592, 6798, 7040, 7416, 7920, 8240, 8640, 9064, 9270, 9504, 9888, 10197, 10560, 11124, 11330, 11880, 12360, 12672, 13184, 13596, 13905, 14832, 15840, 16480, 16995, 17280, 18128, 18540, 19008, 19776, 20394, 21120, 22248, 22660, 23760, 24720, 27192, 27810, 29664, 30591, 31680, 32960, 33990, 36256, 37080, 38016, 39552, 40788, 44496, 45320, 47520, 49440, 50985, 54384, 55620, 59328, 61182, 63360, 65920, 67980, 72512, 74160, 81576, 88992, 90640, 95040, 98880, 101970, 108768, 111240, 118656, 122364, 135960, 145024, 148320, 152955, 163152, 177984, 181280, 190080, 197760, 203940, 217536, 222480, 244728, 271920, 296640, 305910, 326304, 355968, 362560, 407880, 435072, 444960, 489456, 543840, 593280, 611820, 652608, 725120, 815760, 889920, 978912, 1087680, 1223640, 1305216, 1631520, 1779840, 1957824, 2175360, 2447280, 3263040, 3915648, 4894560, 6526080, 9789120, 19578240]

約数ペア:

[(1, 19578240), (2, 9789120), (3, 6526080), (4, 4894560), (5, 3915648), (6, 3263040), (8, 2447280), (9, 2175360), (10, 1957824), (11, 1779840), (12, 1631520), (15, 1305216), (16, 1223640), (18, 1087680), (20, 978912), (22, 889920), (24, 815760), (27, 725120), (30, 652608), (32, 611820), (33, 593280), (36, 543840), (40, 489456), (44, 444960), (45, 435072), (48, 407880), (54, 362560), (55, 355968), (60, 326304), (64, 305910), (66, 296640), (72, 271920), (80, 244728), (88, 222480), (90, 217536), (96, 203940), (99, 197760), (103, 190080), (108, 181280), (110, 177984), (120, 163152), (128, 152955), (132, 148320), (135, 145024), (144, 135960), (160, 122364), (165, 118656), (176, 111240), (180, 108768), (192, 101970), (198, 98880), (206, 95040), (216, 90640), (220, 88992), (240, 81576), (264, 74160), (270, 72512), (288, 67980), (297, 65920), (309, 63360), (320, 61182), (330, 59328), (352, 55620), (360, 54384), (384, 50985), (396, 49440), (412, 47520), (432, 45320), (440, 44496), (480, 40788), (495, 39552), (515, 38016), (528, 37080), (540, 36256), (576, 33990), (594, 32960), (618, 31680), (640, 30591), (660, 29664), (704, 27810), (720, 27192), (792, 24720), (824, 23760), (864, 22660), (880, 22248), (927, 21120), (960, 20394), (990, 19776), (1030, 19008), (1056, 18540), (1080, 18128), (1133, 17280), (1152, 16995), (1188, 16480), (1236, 15840), (1320, 14832), (1408, 13905), (1440, 13596), (1485, 13184), (1545, 12672), (1584, 12360), (1648, 11880), (1728, 11330), (1760, 11124), (1854, 10560), (1920, 10197), (1980, 9888), (2060, 9504), (2112, 9270), (2160, 9064), (2266, 8640), (2376, 8240), (2472, 7920), (2640, 7416), (2781, 7040), (2880, 6798), (2970, 6592), (3090, 6336), (3168, 6180), (3296, 5940), (3399, 5760), (3456, 5665), (3520, 5562), (3708, 5280), (3960, 4944), (4120, 4752), (4224, 4635), (4320, 4532)]