19703232720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{128477}}^1$

素因数の和:128570

約数の個数: 160

約数和(自身を含む): 68823095040

約数和(自身を除く): 49119862320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 355, 360, 426, 432, 540, 568, 639, 710, 720, 852, 1065, 1080, 1136, 1278, 1420, 1704, 1917, 2130, 2160, 2556, 2840, 3195, 3408, 3834, 4260, 5112, 5680, 6390, 7668, 8520, 9585, 10224, 12780, 15336, 17040, 19170, 25560, 30672, 38340, 51120, 76680, 128477, 153360, 256954, 385431, 513908, 642385, 770862, 1027816, 1156293, 1284770, 1541724, 1927155, 2055632, 2312586, 2569540, 3083448, 3468879, 3854310, 4625172, 5139080, 5781465, 6166896, 6937758, 7708620, 9121867, 9250344, 10278160, 11562930, 13875516, 15417240, 17344395, 18243734, 18500688, 23125860, 27365601, 27751032, 30834480, 34688790, 36487468, 45609335, 46251720, 54731202, 55502064, 69377580, 72974936, 82096803, 91218670, 92503440, 109462404, 136828005, 138755160, 145949872, 164193606, 182437340, 218924808, 246290409, 273656010, 277510320, 328387212, 364874680, 410484015, 437849616, 492580818, 547312020, 656774424, 729749360, 820968030, 985161636, 1094624040, 1231452045, 1313548848, 1641936060, 1970323272, 2189248080, 2462904090, 3283872120, 3940646544, 4925808180, 6567744240, 9851616360, 19703232720]

約数ペア:

[(1, 19703232720), (2, 9851616360), (3, 6567744240), (4, 4925808180), (5, 3940646544), (6, 3283872120), (8, 2462904090), (9, 2189248080), (10, 1970323272), (12, 1641936060), (15, 1313548848), (16, 1231452045), (18, 1094624040), (20, 985161636), (24, 820968030), (27, 729749360), (30, 656774424), (36, 547312020), (40, 492580818), (45, 437849616), (48, 410484015), (54, 364874680), (60, 328387212), (71, 277510320), (72, 273656010), (80, 246290409), (90, 218924808), (108, 182437340), (120, 164193606), (135, 145949872), (142, 138755160), (144, 136828005), (180, 109462404), (213, 92503440), (216, 91218670), (240, 82096803), (270, 72974936), (284, 69377580), (355, 55502064), (360, 54731202), (426, 46251720), (432, 45609335), (540, 36487468), (568, 34688790), (639, 30834480), (710, 27751032), (720, 27365601), (852, 23125860), (1065, 18500688), (1080, 18243734), (1136, 17344395), (1278, 15417240), (1420, 13875516), (1704, 11562930), (1917, 10278160), (2130, 9250344), (2160, 9121867), (2556, 7708620), (2840, 6937758), (3195, 6166896), (3408, 5781465), (3834, 5139080), (4260, 4625172), (5112, 3854310), (5680, 3468879), (6390, 3083448), (7668, 2569540), (8520, 2312586), (9585, 2055632), (10224, 1927155), (12780, 1541724), (15336, 1284770), (17040, 1156293), (19170, 1027816), (25560, 770862), (30672, 642385), (38340, 513908), (51120, 385431), (76680, 256954), (128477, 153360)]