16128840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 60903360

約数和(自身を除く): 44774520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 211, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 422, 455, 490, 520, 546, 588, 633, 637, 728, 735, 780, 840, 844, 910, 980, 1055, 1092, 1176, 1266, 1274, 1365, 1470, 1477, 1560, 1688, 1820, 1911, 1960, 2110, 2184, 2532, 2548, 2730, 2743, 2940, 2954, 3165, 3185, 3640, 3822, 4220, 4431, 5064, 5096, 5460, 5486, 5880, 5908, 6330, 6370, 7385, 7644, 8229, 8440, 8862, 9555, 10339, 10920, 10972, 11816, 12660, 12740, 13715, 14770, 15288, 16458, 17724, 19110, 19201, 20678, 21944, 22155, 25320, 25480, 27430, 29540, 31017, 32916, 35448, 38220, 38402, 41145, 41356, 44310, 51695, 54860, 57603, 59080, 62034, 65832, 76440, 76804, 82290, 82712, 88620, 96005, 103390, 109720, 115206, 124068, 134407, 153608, 155085, 164580, 177240, 192010, 206780, 230412, 248136, 268814, 288015, 310170, 329160, 384020, 403221, 413560, 460824, 537628, 576030, 620340, 672035, 768040, 806442, 1075256, 1152060, 1240680, 1344070, 1612884, 2016105, 2304120, 2688140, 3225768, 4032210, 5376280, 8064420, 16128840]

約数ペア:

[(1, 16128840), (2, 8064420), (3, 5376280), (4, 4032210), (5, 3225768), (6, 2688140), (7, 2304120), (8, 2016105), (10, 1612884), (12, 1344070), (13, 1240680), (14, 1152060), (15, 1075256), (20, 806442), (21, 768040), (24, 672035), (26, 620340), (28, 576030), (30, 537628), (35, 460824), (39, 413560), (40, 403221), (42, 384020), (49, 329160), (52, 310170), (56, 288015), (60, 268814), (65, 248136), (70, 230412), (78, 206780), (84, 192010), (91, 177240), (98, 164580), (104, 155085), (105, 153608), (120, 134407), (130, 124068), (140, 115206), (147, 109720), (156, 103390), (168, 96005), (182, 88620), (195, 82712), (196, 82290), (210, 76804), (211, 76440), (245, 65832), (260, 62034), (273, 59080), (280, 57603), (294, 54860), (312, 51695), (364, 44310), (390, 41356), (392, 41145), (420, 38402), (422, 38220), (455, 35448), (490, 32916), (520, 31017), (546, 29540), (588, 27430), (633, 25480), (637, 25320), (728, 22155), (735, 21944), (780, 20678), (840, 19201), (844, 19110), (910, 17724), (980, 16458), (1055, 15288), (1092, 14770), (1176, 13715), (1266, 12740), (1274, 12660), (1365, 11816), (1470, 10972), (1477, 10920), (1560, 10339), (1688, 9555), (1820, 8862), (1911, 8440), (1960, 8229), (2110, 7644), (2184, 7385), (2532, 6370), (2548, 6330), (2730, 5908), (2743, 5880), (2940, 5486), (2954, 5460), (3165, 5096), (3185, 5064), (3640, 4431), (3822, 4220)]