18440989840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2098

約数の個数: 320

約数和(自身を含む): 55828426752

約数和(自身を除く): 37387436912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 41, 52, 56, 62, 65, 70, 80, 82, 91, 104, 112, 124, 130, 140, 155, 164, 182, 205, 208, 217, 248, 260, 280, 287, 310, 328, 364, 403, 410, 434, 455, 496, 520, 533, 560, 574, 620, 656, 728, 806, 820, 868, 910, 1040, 1066, 1085, 1148, 1240, 1271, 1435, 1456, 1612, 1640, 1736, 1820, 1993, 2015, 2132, 2170, 2296, 2480, 2542, 2665, 2821, 2870, 3224, 3280, 3472, 3640, 3731, 3986, 4030, 4264, 4340, 4592, 5084, 5330, 5642, 5740, 6355, 6448, 7280, 7462, 7972, 8060, 8528, 8680, 8897, 9965, 10168, 10660, 11284, 11480, 12710, 13951, 14105, 14924, 15944, 16120, 16523, 17360, 17794, 18655, 19930, 20336, 21320, 22568, 22960, 25420, 25909, 27902, 28210, 29848, 31888, 32240, 33046, 35588, 37310, 39860, 42640, 44485, 45136, 50840, 51818, 55804, 56420, 59696, 61783, 66092, 69755, 71176, 74620, 79720, 81713, 82615, 88970, 101680, 103636, 111608, 112840, 115661, 123566, 129545, 132184, 139510, 142352, 149240, 159440, 163426, 165230, 177940, 181363, 207272, 223216, 225680, 231322, 247132, 259090, 264368, 279020, 298480, 308915, 326852, 330460, 355880, 362726, 408565, 414544, 432481, 462644, 494264, 518180, 558040, 571991, 578305, 617830, 653704, 660920, 711760, 725452, 803179, 817130, 864962, 906815, 925288, 988528, 1036360, 1062269, 1116080, 1143982, 1156610, 1235660, 1307408, 1321840, 1450904, 1606358, 1634260, 1729924, 1813630, 1850576, 2072720, 2124538, 2162405, 2287964, 2313220, 2471320, 2533103, 2859955, 2901808, 3212716, 3268520, 3459848, 3627260, 4015895, 4249076, 4324810, 4575928, 4626440, 4942640, 5066206, 5311345, 5622253, 5719910, 6425432, 6537040, 6919696, 7254520, 7435883, 8031790, 8498152, 8649620, 9151856, 9252880, 10132412, 10622690, 11244506, 11439820, 12665515, 12850864, 14509040, 14871766, 16063580, 16996304, 17299240, 17731721, 20264824, 21245380, 22489012, 22879640, 25331030, 28111265, 29743532, 32127160, 32930339, 34598480, 35463442, 37179415, 40529648, 42490760, 44978024, 45759280, 50662060, 56222530, 59487064, 64254320, 65860678, 70926884, 74358830, 84981520, 88658605, 89956048, 101324120, 112445060, 118974128, 131721356, 141853768, 148717660, 164651695, 177317210, 202648240, 224890120, 230512373, 263442712, 283707536, 297435320, 329303390, 354634420, 449780240, 461024746, 526885424, 594870640, 658606780, 709268840, 922049492, 1152561865, 1317213560, 1418537680, 1844098984, 2305123730, 2634427120, 3688197968, 4610247460, 9220494920, 18440989840]

約数ペア:

[(1, 18440989840), (2, 9220494920), (4, 4610247460), (5, 3688197968), (7, 2634427120), (8, 2305123730), (10, 1844098984), (13, 1418537680), (14, 1317213560), (16, 1152561865), (20, 922049492), (26, 709268840), (28, 658606780), (31, 594870640), (35, 526885424), (40, 461024746), (41, 449780240), (52, 354634420), (56, 329303390), (62, 297435320), (65, 283707536), (70, 263442712), (80, 230512373), (82, 224890120), (91, 202648240), (104, 177317210), (112, 164651695), (124, 148717660), (130, 141853768), (140, 131721356), (155, 118974128), (164, 112445060), (182, 101324120), (205, 89956048), (208, 88658605), (217, 84981520), (248, 74358830), (260, 70926884), (280, 65860678), (287, 64254320), (310, 59487064), (328, 56222530), (364, 50662060), (403, 45759280), (410, 44978024), (434, 42490760), (455, 40529648), (496, 37179415), (520, 35463442), (533, 34598480), (560, 32930339), (574, 32127160), (620, 29743532), (656, 28111265), (728, 25331030), (806, 22879640), (820, 22489012), (868, 21245380), (910, 20264824), (1040, 17731721), (1066, 17299240), (1085, 16996304), (1148, 16063580), (1240, 14871766), (1271, 14509040), (1435, 12850864), (1456, 12665515), (1612, 11439820), (1640, 11244506), (1736, 10622690), (1820, 10132412), (1993, 9252880), (2015, 9151856), (2132, 8649620), (2170, 8498152), (2296, 8031790), (2480, 7435883), (2542, 7254520), (2665, 6919696), (2821, 6537040), (2870, 6425432), (3224, 5719910), (3280, 5622253), (3472, 5311345), (3640, 5066206), (3731, 4942640), (3986, 4626440), (4030, 4575928), (4264, 4324810), (4340, 4249076), (4592, 4015895), (5084, 3627260), (5330, 3459848), (5642, 3268520), (5740, 3212716), (6355, 2901808), (6448, 2859955), (7280, 2533103), (7462, 2471320), (7972, 2313220), (8060, 2287964), (8528, 2162405), (8680, 2124538), (8897, 2072720), (9965, 1850576), (10168, 1813630), (10660, 1729924), (11284, 1634260), (11480, 1606358), (12710, 1450904), (13951, 1321840), (14105, 1307408), (14924, 1235660), (15944, 1156610), (16120, 1143982), (16523, 1116080), (17360, 1062269), (17794, 1036360), (18655, 988528), (19930, 925288), (20336, 906815), (21320, 864962), (22568, 817130), (22960, 803179), (25420, 725452), (25909, 711760), (27902, 660920), (28210, 653704), (29848, 617830), (31888, 578305), (32240, 571991), (33046, 558040), (35588, 518180), (37310, 494264), (39860, 462644), (42640, 432481), (44485, 414544), (45136, 408565), (50840, 362726), (51818, 355880), (55804, 330460), (56420, 326852), (59696, 308915), (61783, 298480), (66092, 279020), (69755, 264368), (71176, 259090), (74620, 247132), (79720, 231322), (81713, 225680), (82615, 223216), (88970, 207272), (101680, 181363), (103636, 177940), (111608, 165230), (112840, 163426), (115661, 159440), (123566, 149240), (129545, 142352), (132184, 139510)]