16691969840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2100

約数の個数: 320

約数和(自身を含む): 50663424000

約数和(自身を除く): 33971454160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 37, 40, 52, 56, 62, 65, 70, 74, 80, 91, 104, 112, 124, 130, 140, 148, 155, 182, 185, 208, 217, 248, 259, 260, 280, 296, 310, 364, 370, 403, 434, 455, 481, 496, 518, 520, 560, 592, 620, 728, 740, 806, 868, 910, 962, 1036, 1040, 1085, 1147, 1240, 1295, 1456, 1480, 1612, 1736, 1820, 1924, 1999, 2015, 2072, 2170, 2294, 2405, 2480, 2590, 2821, 2960, 3224, 3367, 3472, 3640, 3848, 3998, 4030, 4144, 4340, 4588, 4810, 5180, 5642, 5735, 6448, 6734, 7280, 7696, 7996, 8029, 8060, 8680, 9176, 9620, 9995, 10360, 11284, 11470, 13468, 13993, 14105, 14911, 15992, 16058, 16120, 16835, 17360, 18352, 19240, 19990, 20720, 22568, 22940, 25987, 26936, 27986, 28210, 29822, 31984, 32116, 32240, 33670, 38480, 39980, 40145, 45136, 45880, 51974, 53872, 55972, 56420, 59644, 61969, 64232, 67340, 69965, 73963, 74555, 79960, 80290, 91760, 103948, 104377, 111944, 112840, 119288, 123938, 128464, 129935, 134680, 139930, 147926, 149110, 159920, 160580, 181909, 207896, 208754, 223888, 225680, 238576, 247876, 259870, 269360, 279860, 295852, 298220, 309845, 321160, 363818, 369815, 415792, 417508, 433783, 495752, 517741, 519740, 521885, 559720, 591704, 596440, 619690, 642320, 727636, 739630, 805597, 835016, 867566, 909545, 961519, 991504, 1035482, 1039480, 1043770, 1119440, 1183408, 1192880, 1239380, 1455272, 1479260, 1611194, 1670032, 1735132, 1819090, 1923038, 2070964, 2078960, 2087540, 2168915, 2292853, 2478760, 2588705, 2910544, 2958520, 3222388, 3470264, 3638180, 3846076, 4027985, 4141928, 4175080, 4337830, 4585706, 4807595, 4957520, 5177410, 5639179, 5917040, 6444776, 6730633, 6940528, 7276360, 7692152, 8055970, 8283856, 8350160, 8675660, 9171412, 9615190, 10354820, 11278358, 11464265, 12889552, 13461266, 14552720, 15384304, 16049971, 16111940, 17351320, 18342824, 19230380, 20709640, 22556716, 22928530, 26922532, 28195895, 29807089, 32099942, 32223880, 33653165, 34702640, 36685648, 38460760, 41419280, 45113432, 45857060, 53845064, 56391790, 59614178, 64199884, 64447760, 67306330, 76921520, 80249855, 90226864, 91714120, 107690128, 112783580, 119228356, 128399768, 134612660, 149035445, 160499710, 183428240, 208649623, 225567160, 238456712, 256799536, 269225320, 298070890, 320999420, 417299246, 451134320, 476913424, 538450640, 596141780, 641998840, 834598492, 1043248115, 1192283560, 1283997680, 1669196984, 2086496230, 2384567120, 3338393968, 4172992460, 8345984920, 16691969840]

約数ペア:

[(1, 16691969840), (2, 8345984920), (4, 4172992460), (5, 3338393968), (7, 2384567120), (8, 2086496230), (10, 1669196984), (13, 1283997680), (14, 1192283560), (16, 1043248115), (20, 834598492), (26, 641998840), (28, 596141780), (31, 538450640), (35, 476913424), (37, 451134320), (40, 417299246), (52, 320999420), (56, 298070890), (62, 269225320), (65, 256799536), (70, 238456712), (74, 225567160), (80, 208649623), (91, 183428240), (104, 160499710), (112, 149035445), (124, 134612660), (130, 128399768), (140, 119228356), (148, 112783580), (155, 107690128), (182, 91714120), (185, 90226864), (208, 80249855), (217, 76921520), (248, 67306330), (259, 64447760), (260, 64199884), (280, 59614178), (296, 56391790), (310, 53845064), (364, 45857060), (370, 45113432), (403, 41419280), (434, 38460760), (455, 36685648), (481, 34702640), (496, 33653165), (518, 32223880), (520, 32099942), (560, 29807089), (592, 28195895), (620, 26922532), (728, 22928530), (740, 22556716), (806, 20709640), (868, 19230380), (910, 18342824), (962, 17351320), (1036, 16111940), (1040, 16049971), (1085, 15384304), (1147, 14552720), (1240, 13461266), (1295, 12889552), (1456, 11464265), (1480, 11278358), (1612, 10354820), (1736, 9615190), (1820, 9171412), (1924, 8675660), (1999, 8350160), (2015, 8283856), (2072, 8055970), (2170, 7692152), (2294, 7276360), (2405, 6940528), (2480, 6730633), (2590, 6444776), (2821, 5917040), (2960, 5639179), (3224, 5177410), (3367, 4957520), (3472, 4807595), (3640, 4585706), (3848, 4337830), (3998, 4175080), (4030, 4141928), (4144, 4027985), (4340, 3846076), (4588, 3638180), (4810, 3470264), (5180, 3222388), (5642, 2958520), (5735, 2910544), (6448, 2588705), (6734, 2478760), (7280, 2292853), (7696, 2168915), (7996, 2087540), (8029, 2078960), (8060, 2070964), (8680, 1923038), (9176, 1819090), (9620, 1735132), (9995, 1670032), (10360, 1611194), (11284, 1479260), (11470, 1455272), (13468, 1239380), (13993, 1192880), (14105, 1183408), (14911, 1119440), (15992, 1043770), (16058, 1039480), (16120, 1035482), (16835, 991504), (17360, 961519), (18352, 909545), (19240, 867566), (19990, 835016), (20720, 805597), (22568, 739630), (22940, 727636), (25987, 642320), (26936, 619690), (27986, 596440), (28210, 591704), (29822, 559720), (31984, 521885), (32116, 519740), (32240, 517741), (33670, 495752), (38480, 433783), (39980, 417508), (40145, 415792), (45136, 369815), (45880, 363818), (51974, 321160), (53872, 309845), (55972, 298220), (56420, 295852), (59644, 279860), (61969, 269360), (64232, 259870), (67340, 247876), (69965, 238576), (73963, 225680), (74555, 223888), (79960, 208754), (80290, 207896), (91760, 181909), (103948, 160580), (104377, 159920), (111944, 149110), (112840, 147926), (119288, 139930), (123938, 134680), (128464, 129935)]