18916011520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2081

約数の個数: 320

約数和(自身を含む): 56680943616

約数和(自身を除く): 37764932096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 256, 272, 280, 310, 320, 340, 434, 448, 476, 496, 512, 527, 544, 560, 595, 620, 640, 680, 868, 896, 952, 992, 1054, 1085, 1088, 1120, 1190, 1240, 1280, 1360, 1736, 1792, 1904, 1984, 2003, 2108, 2170, 2176, 2240, 2380, 2480, 2560, 2635, 2720, 3472, 3584, 3689, 3808, 3968, 4006, 4216, 4340, 4352, 4480, 4760, 4960, 5270, 5440, 6944, 7378, 7616, 7936, 8012, 8432, 8680, 8704, 8960, 9520, 9920, 10015, 10540, 10880, 13888, 14021, 14756, 15232, 15872, 16024, 16864, 17360, 17920, 18445, 19040, 19840, 20030, 21080, 21760, 27776, 28042, 29512, 30464, 32048, 33728, 34051, 34720, 36890, 38080, 39680, 40060, 42160, 43520, 55552, 56084, 59024, 60928, 62093, 64096, 67456, 68102, 69440, 70105, 73780, 76160, 79360, 80120, 84320, 111104, 112168, 118048, 124186, 128192, 134912, 136204, 138880, 140210, 147560, 152320, 160240, 168640, 170255, 224336, 236096, 238357, 248372, 256384, 269824, 272408, 277760, 280420, 295120, 304640, 310465, 320480, 337280, 340510, 434651, 448672, 472192, 476714, 496744, 512768, 544816, 555520, 560840, 590240, 620930, 640960, 674560, 681020, 869302, 897344, 944384, 953428, 993488, 1025536, 1055581, 1089632, 1121680, 1180480, 1191785, 1241860, 1281920, 1349120, 1362040, 1738604, 1794688, 1888768, 1906856, 1986976, 2111162, 2173255, 2179264, 2243360, 2360960, 2383570, 2483720, 2563840, 2724080, 3477208, 3589376, 3813712, 3973952, 4222324, 4346510, 4358528, 4486720, 4721920, 4767140, 4967440, 5127680, 5277905, 5448160, 6954416, 7178752, 7389067, 7627424, 7947904, 8444648, 8693020, 8717056, 8973440, 9443840, 9534280, 9934880, 10555810, 10896320, 13908832, 14778134, 15254848, 15895808, 16889296, 17386040, 17434112, 17946880, 19068560, 19869760, 21111620, 21792640, 27817664, 29556268, 30509696, 31791616, 33778592, 34772080, 35893760, 36945335, 38137120, 39739520, 42223240, 43585280, 55635328, 59112536, 61019392, 67557184, 69544160, 73890670, 76274240, 79479040, 84446480, 87170560, 111270656, 118225072, 122038784, 135114368, 139088320, 147781340, 152548480, 158958080, 168892960, 222541312, 236450144, 270228736, 278176640, 295562680, 305096960, 337785920, 472900288, 540457472, 556353280, 591125360, 610193920, 675571840, 945800576, 1112706560, 1182250720, 1351143680, 1891601152, 2364501440, 2702287360, 3783202304, 4729002880, 9458005760, 18916011520]

約数ペア:

[(1, 18916011520), (2, 9458005760), (4, 4729002880), (5, 3783202304), (7, 2702287360), (8, 2364501440), (10, 1891601152), (14, 1351143680), (16, 1182250720), (17, 1112706560), (20, 945800576), (28, 675571840), (31, 610193920), (32, 591125360), (34, 556353280), (35, 540457472), (40, 472900288), (56, 337785920), (62, 305096960), (64, 295562680), (68, 278176640), (70, 270228736), (80, 236450144), (85, 222541312), (112, 168892960), (119, 158958080), (124, 152548480), (128, 147781340), (136, 139088320), (140, 135114368), (155, 122038784), (160, 118225072), (170, 111270656), (217, 87170560), (224, 84446480), (238, 79479040), (248, 76274240), (256, 73890670), (272, 69544160), (280, 67557184), (310, 61019392), (320, 59112536), (340, 55635328), (434, 43585280), (448, 42223240), (476, 39739520), (496, 38137120), (512, 36945335), (527, 35893760), (544, 34772080), (560, 33778592), (595, 31791616), (620, 30509696), (640, 29556268), (680, 27817664), (868, 21792640), (896, 21111620), (952, 19869760), (992, 19068560), (1054, 17946880), (1085, 17434112), (1088, 17386040), (1120, 16889296), (1190, 15895808), (1240, 15254848), (1280, 14778134), (1360, 13908832), (1736, 10896320), (1792, 10555810), (1904, 9934880), (1984, 9534280), (2003, 9443840), (2108, 8973440), (2170, 8717056), (2176, 8693020), (2240, 8444648), (2380, 7947904), (2480, 7627424), (2560, 7389067), (2635, 7178752), (2720, 6954416), (3472, 5448160), (3584, 5277905), (3689, 5127680), (3808, 4967440), (3968, 4767140), (4006, 4721920), (4216, 4486720), (4340, 4358528), (4352, 4346510), (4480, 4222324), (4760, 3973952), (4960, 3813712), (5270, 3589376), (5440, 3477208), (6944, 2724080), (7378, 2563840), (7616, 2483720), (7936, 2383570), (8012, 2360960), (8432, 2243360), (8680, 2179264), (8704, 2173255), (8960, 2111162), (9520, 1986976), (9920, 1906856), (10015, 1888768), (10540, 1794688), (10880, 1738604), (13888, 1362040), (14021, 1349120), (14756, 1281920), (15232, 1241860), (15872, 1191785), (16024, 1180480), (16864, 1121680), (17360, 1089632), (17920, 1055581), (18445, 1025536), (19040, 993488), (19840, 953428), (20030, 944384), (21080, 897344), (21760, 869302), (27776, 681020), (28042, 674560), (29512, 640960), (30464, 620930), (32048, 590240), (33728, 560840), (34051, 555520), (34720, 544816), (36890, 512768), (38080, 496744), (39680, 476714), (40060, 472192), (42160, 448672), (43520, 434651), (55552, 340510), (56084, 337280), (59024, 320480), (60928, 310465), (62093, 304640), (64096, 295120), (67456, 280420), (68102, 277760), (69440, 272408), (70105, 269824), (73780, 256384), (76160, 248372), (79360, 238357), (80120, 236096), (84320, 224336), (111104, 170255), (112168, 168640), (118048, 160240), (124186, 152320), (128192, 147560), (134912, 140210), (136204, 138880)]