1018327680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1960

約数の個数: 256

約数和(自身を含む): 3724876800

約数和(自身を除く): 2706549120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1901, 1920, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3456, 3720, 3802, 3968, 4185, 4320, 4464, 4960, 5580, 5703, 5760, 5952, 6696, 7440, 7604, 8370, 8640, 8928, 9505, 9920, 11160, 11406, 11904, 13392, 14880, 15208, 16740, 17109, 17280, 17856, 19010, 19840, 22320, 22812, 26784, 28515, 29760, 30416, 33480, 34218, 35712, 38020, 44640, 45624, 51327, 53568, 57030, 58931, 59520, 60832, 66960, 68436, 76040, 85545, 89280, 91248, 102654, 107136, 114060, 117862, 121664, 133920, 136872, 152080, 171090, 176793, 178560, 182496, 205308, 228120, 235724, 243328, 256635, 267840, 273744, 294655, 304160, 342180, 353586, 364992, 410616, 456240, 471448, 513270, 530379, 535680, 547488, 589310, 608320, 684360, 707172, 729984, 821232, 883965, 912480, 942896, 1026540, 1060758, 1094976, 1178620, 1216640, 1368720, 1414344, 1591137, 1642464, 1767930, 1824960, 1885792, 2053080, 2121516, 2189952, 2357240, 2651895, 2737440, 2828688, 3182274, 3284928, 3535860, 3649920, 3771584, 4106160, 4243032, 4714480, 5303790, 5474880, 5657376, 6364548, 6569856, 7071720, 7543168, 7955685, 8212320, 8486064, 9428960, 10607580, 10949760, 11314752, 12729096, 14143440, 15911370, 16424640, 16972128, 18857920, 21215160, 22629504, 25458192, 28286880, 31822740, 32849280, 33944256, 37715840, 42430320, 50916384, 56573760, 63645480, 67888512, 84860640, 101832768, 113147520, 127290960, 169721280, 203665536, 254581920, 339442560, 509163840, 1018327680]

約数ペア:

[(1, 1018327680), (2, 509163840), (3, 339442560), (4, 254581920), (5, 203665536), (6, 169721280), (8, 127290960), (9, 113147520), (10, 101832768), (12, 84860640), (15, 67888512), (16, 63645480), (18, 56573760), (20, 50916384), (24, 42430320), (27, 37715840), (30, 33944256), (31, 32849280), (32, 31822740), (36, 28286880), (40, 25458192), (45, 22629504), (48, 21215160), (54, 18857920), (60, 16972128), (62, 16424640), (64, 15911370), (72, 14143440), (80, 12729096), (90, 11314752), (93, 10949760), (96, 10607580), (108, 9428960), (120, 8486064), (124, 8212320), (128, 7955685), (135, 7543168), (144, 7071720), (155, 6569856), (160, 6364548), (180, 5657376), (186, 5474880), (192, 5303790), (216, 4714480), (240, 4243032), (248, 4106160), (270, 3771584), (279, 3649920), (288, 3535860), (310, 3284928), (320, 3182274), (360, 2828688), (372, 2737440), (384, 2651895), (432, 2357240), (465, 2189952), (480, 2121516), (496, 2053080), (540, 1885792), (558, 1824960), (576, 1767930), (620, 1642464), (640, 1591137), (720, 1414344), (744, 1368720), (837, 1216640), (864, 1178620), (930, 1094976), (960, 1060758), (992, 1026540), (1080, 942896), (1116, 912480), (1152, 883965), (1240, 821232), (1395, 729984), (1440, 707172), (1488, 684360), (1674, 608320), (1728, 589310), (1860, 547488), (1901, 535680), (1920, 530379), (1984, 513270), (2160, 471448), (2232, 456240), (2480, 410616), (2790, 364992), (2880, 353586), (2976, 342180), (3348, 304160), (3456, 294655), (3720, 273744), (3802, 267840), (3968, 256635), (4185, 243328), (4320, 235724), (4464, 228120), (4960, 205308), (5580, 182496), (5703, 178560), (5760, 176793), (5952, 171090), (6696, 152080), (7440, 136872), (7604, 133920), (8370, 121664), (8640, 117862), (8928, 114060), (9505, 107136), (9920, 102654), (11160, 91248), (11406, 89280), (11904, 85545), (13392, 76040), (14880, 68436), (15208, 66960), (16740, 60832), (17109, 59520), (17280, 58931), (17856, 57030), (19010, 53568), (19840, 51327), (22320, 45624), (22812, 44640), (26784, 38020), (28515, 35712), (29760, 34218), (30416, 33480)]