178679970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1365

約数の個数: 144

約数和(自身を含む): 558275328

約数和(自身を除く): 379595358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 434, 441, 465, 490, 558, 630, 651, 735, 882, 930, 1085, 1302, 1307, 1395, 1470, 1519, 1953, 2170, 2205, 2614, 2790, 3038, 3255, 3906, 3921, 4410, 4557, 6510, 6535, 7595, 7842, 9114, 9149, 9765, 11763, 13070, 13671, 15190, 18298, 19530, 19605, 22785, 23526, 27342, 27447, 39210, 40517, 45570, 45745, 54894, 58815, 64043, 68355, 81034, 82341, 91490, 117630, 121551, 128086, 136710, 137235, 164682, 192129, 202585, 243102, 274470, 283619, 320215, 364653, 384258, 405170, 411705, 567238, 576387, 607755, 640430, 729306, 823410, 850857, 960645, 1152774, 1215510, 1418095, 1701714, 1823265, 1921290, 1985333, 2552571, 2836190, 2881935, 3646530, 3970666, 4254285, 5105142, 5763870, 5955999, 8508570, 9926665, 11911998, 12762855, 17867997, 19853330, 25525710, 29779995, 35735994, 59559990, 89339985, 178679970]

約数ペア:

[(1, 178679970), (2, 89339985), (3, 59559990), (5, 35735994), (6, 29779995), (7, 25525710), (9, 19853330), (10, 17867997), (14, 12762855), (15, 11911998), (18, 9926665), (21, 8508570), (30, 5955999), (31, 5763870), (35, 5105142), (42, 4254285), (45, 3970666), (49, 3646530), (62, 2881935), (63, 2836190), (70, 2552571), (90, 1985333), (93, 1921290), (98, 1823265), (105, 1701714), (126, 1418095), (147, 1215510), (155, 1152774), (186, 960645), (210, 850857), (217, 823410), (245, 729306), (279, 640430), (294, 607755), (310, 576387), (315, 567238), (434, 411705), (441, 405170), (465, 384258), (490, 364653), (558, 320215), (630, 283619), (651, 274470), (735, 243102), (882, 202585), (930, 192129), (1085, 164682), (1302, 137235), (1307, 136710), (1395, 128086), (1470, 121551), (1519, 117630), (1953, 91490), (2170, 82341), (2205, 81034), (2614, 68355), (2790, 64043), (3038, 58815), (3255, 54894), (3906, 45745), (3921, 45570), (4410, 40517), (4557, 39210), (6510, 27447), (6535, 27342), (7595, 23526), (7842, 22785), (9114, 19605), (9149, 19530), (9765, 18298), (11763, 15190), (13070, 13671)]