19856984640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{17137}}^1$

素因数の和:17245

約数の個数: 224

約数和(自身を含む): 67698664704

約数和(自身を除く): 47841680064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 71, 80, 85, 96, 102, 120, 136, 142, 160, 170, 192, 204, 213, 240, 255, 272, 284, 320, 340, 355, 408, 426, 480, 510, 544, 568, 680, 710, 816, 852, 960, 1020, 1065, 1088, 1136, 1207, 1360, 1420, 1632, 1704, 2040, 2130, 2272, 2414, 2720, 2840, 3264, 3408, 3621, 4080, 4260, 4544, 4828, 5440, 5680, 6035, 6816, 7242, 8160, 8520, 9656, 11360, 12070, 13632, 14484, 16320, 17040, 17137, 18105, 19312, 22720, 24140, 28968, 34080, 34274, 36210, 38624, 48280, 51411, 57936, 68160, 68548, 72420, 77248, 85685, 96560, 102822, 115872, 137096, 144840, 171370, 193120, 205644, 231744, 257055, 274192, 289680, 291329, 342740, 386240, 411288, 514110, 548384, 579360, 582658, 685480, 822576, 873987, 1028220, 1096768, 1158720, 1165316, 1216727, 1370960, 1456645, 1645152, 1747974, 2056440, 2330632, 2433454, 2741920, 2913290, 3290304, 3495948, 3650181, 4112880, 4369935, 4661264, 4866908, 5483840, 5826580, 6083635, 6991896, 7300362, 8225760, 8739870, 9322528, 9733816, 11653160, 12167270, 13983792, 14600724, 16451520, 17479740, 18250905, 18645056, 19467632, 20684359, 23306320, 24334540, 27967584, 29201448, 34959480, 36501810, 38935264, 41368718, 46612640, 48669080, 55935168, 58402896, 62053077, 69918960, 73003620, 77870528, 82737436, 93225280, 97338160, 103421795, 116805792, 124106154, 139837920, 146007240, 165474872, 194676320, 206843590, 233611584, 248212308, 279675840, 292014480, 310265385, 330949744, 389352640, 413687180, 496424616, 584028960, 620530770, 661899488, 827374360, 992849232, 1168057920, 1241061540, 1323798976, 1654748720, 1985698464, 2482123080, 3309497440, 3971396928, 4964246160, 6618994880, 9928492320, 19856984640]

約数ペア:

[(1, 19856984640), (2, 9928492320), (3, 6618994880), (4, 4964246160), (5, 3971396928), (6, 3309497440), (8, 2482123080), (10, 1985698464), (12, 1654748720), (15, 1323798976), (16, 1241061540), (17, 1168057920), (20, 992849232), (24, 827374360), (30, 661899488), (32, 620530770), (34, 584028960), (40, 496424616), (48, 413687180), (51, 389352640), (60, 330949744), (64, 310265385), (68, 292014480), (71, 279675840), (80, 248212308), (85, 233611584), (96, 206843590), (102, 194676320), (120, 165474872), (136, 146007240), (142, 139837920), (160, 124106154), (170, 116805792), (192, 103421795), (204, 97338160), (213, 93225280), (240, 82737436), (255, 77870528), (272, 73003620), (284, 69918960), (320, 62053077), (340, 58402896), (355, 55935168), (408, 48669080), (426, 46612640), (480, 41368718), (510, 38935264), (544, 36501810), (568, 34959480), (680, 29201448), (710, 27967584), (816, 24334540), (852, 23306320), (960, 20684359), (1020, 19467632), (1065, 18645056), (1088, 18250905), (1136, 17479740), (1207, 16451520), (1360, 14600724), (1420, 13983792), (1632, 12167270), (1704, 11653160), (2040, 9733816), (2130, 9322528), (2272, 8739870), (2414, 8225760), (2720, 7300362), (2840, 6991896), (3264, 6083635), (3408, 5826580), (3621, 5483840), (4080, 4866908), (4260, 4661264), (4544, 4369935), (4828, 4112880), (5440, 3650181), (5680, 3495948), (6035, 3290304), (6816, 2913290), (7242, 2741920), (8160, 2433454), (8520, 2330632), (9656, 2056440), (11360, 1747974), (12070, 1645152), (13632, 1456645), (14484, 1370960), (16320, 1216727), (17040, 1165316), (17137, 1158720), (18105, 1096768), (19312, 1028220), (22720, 873987), (24140, 822576), (28968, 685480), (34080, 582658), (34274, 579360), (36210, 548384), (38624, 514110), (48280, 411288), (51411, 386240), (57936, 342740), (68160, 291329), (68548, 289680), (72420, 274192), (77248, 257055), (85685, 231744), (96560, 205644), (102822, 193120), (115872, 171370), (137096, 144840)]