16560460

素因数分解:

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

素因数の和:215

約数の個数: 96

約数和(自身を含む): 42900480

約数和(自身を除く): 26340020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 139, 140, 148, 161, 185, 230, 259, 278, 322, 370, 460, 518, 556, 644, 695, 740, 805, 851, 973, 1036, 1295, 1390, 1610, 1702, 1946, 2590, 2780, 3197, 3220, 3404, 3892, 4255, 4865, 5143, 5180, 5957, 6394, 8510, 9730, 10286, 11914, 12788, 15985, 17020, 19460, 20572, 22379, 23828, 25715, 29785, 31970, 36001, 44758, 51430, 59570, 63940, 72002, 89516, 102860, 111895, 118289, 119140, 144004, 180005, 223790, 236578, 360010, 447580, 473156, 591445, 720020, 828023, 1182890, 1656046, 2365780, 3312092, 4140115, 8280230, 16560460]

約数ペア:

[(1, 16560460), (2, 8280230), (4, 4140115), (5, 3312092), (7, 2365780), (10, 1656046), (14, 1182890), (20, 828023), (23, 720020), (28, 591445), (35, 473156), (37, 447580), (46, 360010), (70, 236578), (74, 223790), (92, 180005), (115, 144004), (139, 119140), (140, 118289), (148, 111895), (161, 102860), (185, 89516), (230, 72002), (259, 63940), (278, 59570), (322, 51430), (370, 44758), (460, 36001), (518, 31970), (556, 29785), (644, 25715), (695, 23828), (740, 22379), (805, 20572), (851, 19460), (973, 17020), (1036, 15985), (1295, 12788), (1390, 11914), (1610, 10286), (1702, 9730), (1946, 8510), (2590, 6394), (2780, 5957), (3197, 5180), (3220, 5143), (3404, 4865), (3892, 4255)]