66241840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 189987840

約数和(自身を除く): 123746000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 80, 92, 112, 115, 139, 140, 148, 161, 184, 185, 230, 259, 278, 280, 296, 322, 368, 370, 460, 518, 556, 560, 592, 644, 695, 740, 805, 851, 920, 973, 1036, 1112, 1288, 1295, 1390, 1480, 1610, 1702, 1840, 1946, 2072, 2224, 2576, 2590, 2780, 2960, 3197, 3220, 3404, 3892, 4144, 4255, 4865, 5143, 5180, 5560, 5957, 6394, 6440, 6808, 7784, 8510, 9730, 10286, 10360, 11120, 11914, 12788, 12880, 13616, 15568, 15985, 17020, 19460, 20572, 20720, 22379, 23828, 25576, 25715, 29785, 31970, 34040, 36001, 38920, 41144, 44758, 47656, 51152, 51430, 59570, 63940, 68080, 72002, 77840, 82288, 89516, 95312, 102860, 111895, 118289, 119140, 127880, 144004, 179032, 180005, 205720, 223790, 236578, 238280, 255760, 288008, 358064, 360010, 411440, 447580, 473156, 476560, 576016, 591445, 720020, 828023, 895160, 946312, 1182890, 1440040, 1656046, 1790320, 1892624, 2365780, 2880080, 3312092, 4140115, 4731560, 6624184, 8280230, 9463120, 13248368, 16560460, 33120920, 66241840]

約数ペア:

[(1, 66241840), (2, 33120920), (4, 16560460), (5, 13248368), (7, 9463120), (8, 8280230), (10, 6624184), (14, 4731560), (16, 4140115), (20, 3312092), (23, 2880080), (28, 2365780), (35, 1892624), (37, 1790320), (40, 1656046), (46, 1440040), (56, 1182890), (70, 946312), (74, 895160), (80, 828023), (92, 720020), (112, 591445), (115, 576016), (139, 476560), (140, 473156), (148, 447580), (161, 411440), (184, 360010), (185, 358064), (230, 288008), (259, 255760), (278, 238280), (280, 236578), (296, 223790), (322, 205720), (368, 180005), (370, 179032), (460, 144004), (518, 127880), (556, 119140), (560, 118289), (592, 111895), (644, 102860), (695, 95312), (740, 89516), (805, 82288), (851, 77840), (920, 72002), (973, 68080), (1036, 63940), (1112, 59570), (1288, 51430), (1295, 51152), (1390, 47656), (1480, 44758), (1610, 41144), (1702, 38920), (1840, 36001), (1946, 34040), (2072, 31970), (2224, 29785), (2576, 25715), (2590, 25576), (2780, 23828), (2960, 22379), (3197, 20720), (3220, 20572), (3404, 19460), (3892, 17020), (4144, 15985), (4255, 15568), (4865, 13616), (5143, 12880), (5180, 12788), (5560, 11914), (5957, 11120), (6394, 10360), (6440, 10286), (6808, 9730), (7784, 8510)]