74581640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 206184960

約数和(自身を除く): 131603320

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, 313, 322, 370, 460, 518, 626, 644, 740, 805, 851, 920, 1036, 1252, 1288, 1295, 1480, 1565, 1610, 1702, 2072, 2191, 2504, 2590, 3130, 3220, 3404, 4255, 4382, 5180, 5957, 6260, 6440, 6808, 7199, 8510, 8764, 10360, 10955, 11581, 11914, 12520, 14398, 17020, 17528, 21910, 23162, 23828, 28796, 29785, 34040, 35995, 43820, 46324, 47656, 50393, 57592, 57905, 59570, 71990, 81067, 87640, 92648, 100786, 115810, 119140, 143980, 162134, 201572, 231620, 238280, 251965, 266363, 287960, 324268, 403144, 405335, 463240, 503930, 532726, 648536, 810670, 1007860, 1065452, 1331815, 1621340, 1864541, 2015720, 2130904, 2663630, 3242680, 3729082, 5327260, 7458164, 9322705, 10654520, 14916328, 18645410, 37290820, 74581640]

約数ペア:

[(1, 74581640), (2, 37290820), (4, 18645410), (5, 14916328), (7, 10654520), (8, 9322705), (10, 7458164), (14, 5327260), (20, 3729082), (23, 3242680), (28, 2663630), (35, 2130904), (37, 2015720), (40, 1864541), (46, 1621340), (56, 1331815), (70, 1065452), (74, 1007860), (92, 810670), (115, 648536), (140, 532726), (148, 503930), (161, 463240), (184, 405335), (185, 403144), (230, 324268), (259, 287960), (280, 266363), (296, 251965), (313, 238280), (322, 231620), (370, 201572), (460, 162134), (518, 143980), (626, 119140), (644, 115810), (740, 100786), (805, 92648), (851, 87640), (920, 81067), (1036, 71990), (1252, 59570), (1288, 57905), (1295, 57592), (1480, 50393), (1565, 47656), (1610, 46324), (1702, 43820), (2072, 35995), (2191, 34040), (2504, 29785), (2590, 28796), (3130, 23828), (3220, 23162), (3404, 21910), (4255, 17528), (4382, 17020), (5180, 14398), (5957, 12520), (6260, 11914), (6440, 11581), (6808, 10955), (7199, 10360), (8510, 8764)]