1302654920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1297}}^1$

素因数の和:1543

約数の個数: 128

約数和(自身を含む): 3566280960

約数和(自身を除く): 2263626040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 211, 238, 280, 340, 422, 476, 595, 680, 844, 952, 1055, 1190, 1297, 1477, 1688, 2110, 2380, 2594, 2954, 3587, 4220, 4760, 5188, 5908, 6485, 7174, 7385, 8440, 9079, 10376, 11816, 12970, 14348, 14770, 17935, 18158, 22049, 25109, 25940, 28696, 29540, 35870, 36316, 44098, 45395, 50218, 51880, 59080, 71740, 72632, 88196, 90790, 100436, 110245, 125545, 143480, 154343, 176392, 181580, 200872, 220490, 251090, 273667, 308686, 363160, 440980, 502180, 547334, 617372, 771715, 881960, 1004360, 1094668, 1234744, 1368335, 1543430, 1915669, 2189336, 2736670, 3086860, 3831338, 4652339, 5473340, 6173720, 7662676, 9304678, 9578345, 10946680, 15325352, 18609356, 19156690, 23261695, 32566373, 37218712, 38313380, 46523390, 65132746, 76626760, 93046780, 130265492, 162831865, 186093560, 260530984, 325663730, 651327460, 1302654920]

約数ペア:

[(1, 1302654920), (2, 651327460), (4, 325663730), (5, 260530984), (7, 186093560), (8, 162831865), (10, 130265492), (14, 93046780), (17, 76626760), (20, 65132746), (28, 46523390), (34, 38313380), (35, 37218712), (40, 32566373), (56, 23261695), (68, 19156690), (70, 18609356), (85, 15325352), (119, 10946680), (136, 9578345), (140, 9304678), (170, 7662676), (211, 6173720), (238, 5473340), (280, 4652339), (340, 3831338), (422, 3086860), (476, 2736670), (595, 2189336), (680, 1915669), (844, 1543430), (952, 1368335), (1055, 1234744), (1190, 1094668), (1297, 1004360), (1477, 881960), (1688, 771715), (2110, 617372), (2380, 547334), (2594, 502180), (2954, 440980), (3587, 363160), (4220, 308686), (4760, 273667), (5188, 251090), (5908, 220490), (6485, 200872), (7174, 181580), (7385, 176392), (8440, 154343), (9079, 143480), (10376, 125545), (11816, 110245), (12970, 100436), (14348, 90790), (14770, 88196), (17935, 72632), (18158, 71740), (22049, 59080), (25109, 51880), (25940, 50218), (28696, 45395), (29540, 44098), (35870, 36316)]