1138557680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 2940936768

約数和(自身を除く): 1802379088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 131, 137, 208, 244, 260, 262, 274, 305, 488, 520, 524, 548, 610, 655, 685, 793, 976, 1040, 1048, 1096, 1220, 1310, 1370, 1586, 1703, 1781, 2096, 2192, 2440, 2620, 2740, 3172, 3406, 3562, 3965, 4880, 5240, 5480, 6344, 6812, 7124, 7930, 7991, 8357, 8515, 8905, 10480, 10960, 12688, 13624, 14248, 15860, 15982, 16714, 17030, 17810, 17947, 27248, 28496, 31720, 31964, 33428, 34060, 35620, 35894, 39955, 41785, 63440, 63928, 66856, 68120, 71240, 71788, 79910, 83570, 89735, 103883, 108641, 127856, 133712, 136240, 142480, 143576, 159820, 167140, 179470, 207766, 217282, 233311, 287152, 319640, 334280, 358940, 415532, 434564, 466622, 519415, 543205, 639280, 668560, 717880, 831064, 869128, 933244, 1038830, 1086410, 1094767, 1166555, 1435760, 1662128, 1738256, 1866488, 2077660, 2172820, 2189534, 2333110, 3732976, 4155320, 4345640, 4379068, 4666220, 5473835, 8310640, 8691280, 8758136, 9332440, 10947670, 14231971, 17516272, 18664880, 21895340, 28463942, 43790680, 56927884, 71159855, 87581360, 113855768, 142319710, 227711536, 284639420, 569278840, 1138557680]

約数ペア:

[(1, 1138557680), (2, 569278840), (4, 284639420), (5, 227711536), (8, 142319710), (10, 113855768), (13, 87581360), (16, 71159855), (20, 56927884), (26, 43790680), (40, 28463942), (52, 21895340), (61, 18664880), (65, 17516272), (80, 14231971), (104, 10947670), (122, 9332440), (130, 8758136), (131, 8691280), (137, 8310640), (208, 5473835), (244, 4666220), (260, 4379068), (262, 4345640), (274, 4155320), (305, 3732976), (488, 2333110), (520, 2189534), (524, 2172820), (548, 2077660), (610, 1866488), (655, 1738256), (685, 1662128), (793, 1435760), (976, 1166555), (1040, 1094767), (1048, 1086410), (1096, 1038830), (1220, 933244), (1310, 869128), (1370, 831064), (1586, 717880), (1703, 668560), (1781, 639280), (2096, 543205), (2192, 519415), (2440, 466622), (2620, 434564), (2740, 415532), (3172, 358940), (3406, 334280), (3562, 319640), (3965, 287152), (4880, 233311), (5240, 217282), (5480, 207766), (6344, 179470), (6812, 167140), (7124, 159820), (7930, 143576), (7991, 142480), (8357, 136240), (8515, 133712), (8905, 127856), (10480, 108641), (10960, 103883), (12688, 89735), (13624, 83570), (14248, 79910), (15860, 71788), (15982, 71240), (16714, 68120), (17030, 66856), (17810, 63928), (17947, 63440), (27248, 41785), (28496, 39955), (31720, 35894), (31964, 35620), (33428, 34060)]