84112840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 232450560

約数和(自身を除く): 148337720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 353, 370, 460, 518, 644, 706, 740, 805, 851, 920, 1036, 1288, 1295, 1412, 1480, 1610, 1702, 1765, 2072, 2471, 2590, 2824, 3220, 3404, 3530, 4255, 4942, 5180, 5957, 6440, 6808, 7060, 8119, 8510, 9884, 10360, 11914, 12355, 13061, 14120, 16238, 17020, 19768, 23828, 24710, 26122, 29785, 32476, 34040, 40595, 47656, 49420, 52244, 56833, 59570, 64952, 65305, 81190, 91427, 98840, 104488, 113666, 119140, 130610, 162380, 182854, 227332, 238280, 261220, 284165, 300403, 324760, 365708, 454664, 457135, 522440, 568330, 600806, 731416, 914270, 1136660, 1201612, 1502015, 1828540, 2102821, 2273320, 2403224, 3004030, 3657080, 4205642, 6008060, 8411284, 10514105, 12016120, 16822568, 21028210, 42056420, 84112840]

約数ペア:

[(1, 84112840), (2, 42056420), (4, 21028210), (5, 16822568), (7, 12016120), (8, 10514105), (10, 8411284), (14, 6008060), (20, 4205642), (23, 3657080), (28, 3004030), (35, 2403224), (37, 2273320), (40, 2102821), (46, 1828540), (56, 1502015), (70, 1201612), (74, 1136660), (92, 914270), (115, 731416), (140, 600806), (148, 568330), (161, 522440), (184, 457135), (185, 454664), (230, 365708), (259, 324760), (280, 300403), (296, 284165), (322, 261220), (353, 238280), (370, 227332), (460, 182854), (518, 162380), (644, 130610), (706, 119140), (740, 113666), (805, 104488), (851, 98840), (920, 91427), (1036, 81190), (1288, 65305), (1295, 64952), (1412, 59570), (1480, 56833), (1610, 52244), (1702, 49420), (1765, 47656), (2072, 40595), (2471, 34040), (2590, 32476), (2824, 29785), (3220, 26122), (3404, 24710), (3530, 23828), (4255, 19768), (4942, 17020), (5180, 16238), (5957, 14120), (6440, 13061), (6808, 12355), (7060, 11914), (8119, 10360), (8510, 9884)]