128065840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 363119616

約数和(自身を除く): 235053776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 80, 92, 112, 115, 122, 140, 161, 163, 184, 230, 244, 280, 305, 322, 326, 368, 427, 460, 488, 560, 610, 644, 652, 805, 815, 854, 920, 976, 1141, 1220, 1288, 1304, 1403, 1610, 1630, 1708, 1840, 2135, 2282, 2440, 2576, 2608, 2806, 3220, 3260, 3416, 3749, 4270, 4564, 4880, 5612, 5705, 6440, 6520, 6832, 7015, 7498, 8540, 9128, 9821, 9943, 11224, 11410, 12880, 13040, 14030, 14996, 17080, 18256, 18745, 19642, 19886, 22448, 22820, 26243, 28060, 29992, 34160, 37490, 39284, 39772, 45640, 49105, 49715, 52486, 56120, 59984, 69601, 74980, 78568, 79544, 91280, 98210, 99430, 104972, 112240, 131215, 139202, 149960, 157136, 159088, 196420, 198860, 209944, 228689, 262430, 278404, 299920, 348005, 392840, 397720, 419888, 457378, 524860, 556808, 696010, 785680, 795440, 914756, 1049720, 1113616, 1143445, 1392020, 1600823, 1829512, 2099440, 2286890, 2784040, 3201646, 3659024, 4573780, 5568080, 6403292, 8004115, 9147560, 12806584, 16008230, 18295120, 25613168, 32016460, 64032920, 128065840]

約数ペア:

[(1, 128065840), (2, 64032920), (4, 32016460), (5, 25613168), (7, 18295120), (8, 16008230), (10, 12806584), (14, 9147560), (16, 8004115), (20, 6403292), (23, 5568080), (28, 4573780), (35, 3659024), (40, 3201646), (46, 2784040), (56, 2286890), (61, 2099440), (70, 1829512), (80, 1600823), (92, 1392020), (112, 1143445), (115, 1113616), (122, 1049720), (140, 914756), (161, 795440), (163, 785680), (184, 696010), (230, 556808), (244, 524860), (280, 457378), (305, 419888), (322, 397720), (326, 392840), (368, 348005), (427, 299920), (460, 278404), (488, 262430), (560, 228689), (610, 209944), (644, 198860), (652, 196420), (805, 159088), (815, 157136), (854, 149960), (920, 139202), (976, 131215), (1141, 112240), (1220, 104972), (1288, 99430), (1304, 98210), (1403, 91280), (1610, 79544), (1630, 78568), (1708, 74980), (1840, 69601), (2135, 59984), (2282, 56120), (2440, 52486), (2576, 49715), (2608, 49105), (2806, 45640), (3220, 39772), (3260, 39284), (3416, 37490), (3749, 34160), (4270, 29992), (4564, 28060), (4880, 26243), (5612, 22820), (5705, 22448), (6440, 19886), (6520, 19642), (6832, 18745), (7015, 18256), (7498, 17080), (8540, 14996), (9128, 14030), (9821, 13040), (9943, 12880), (11224, 11410)]