15540360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 51960960

約数和(自身を除く): 36420600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 193, 220, 244, 264, 305, 330, 366, 386, 440, 488, 579, 610, 660, 671, 732, 772, 915, 965, 1158, 1220, 1320, 1342, 1464, 1544, 1830, 1930, 2013, 2123, 2316, 2440, 2684, 2895, 3355, 3660, 3860, 4026, 4246, 4632, 5368, 5790, 6369, 6710, 7320, 7720, 8052, 8492, 10065, 10615, 11580, 11773, 12738, 13420, 16104, 16984, 20130, 21230, 23160, 23546, 25476, 26840, 31845, 35319, 40260, 42460, 47092, 50952, 58865, 63690, 70638, 80520, 84920, 94184, 117730, 127380, 129503, 141276, 176595, 235460, 254760, 259006, 282552, 353190, 388509, 470920, 518012, 647515, 706380, 777018, 1036024, 1295030, 1412760, 1554036, 1942545, 2590060, 3108072, 3885090, 5180120, 7770180, 15540360]

約数ペア:

[(1, 15540360), (2, 7770180), (3, 5180120), (4, 3885090), (5, 3108072), (6, 2590060), (8, 1942545), (10, 1554036), (11, 1412760), (12, 1295030), (15, 1036024), (20, 777018), (22, 706380), (24, 647515), (30, 518012), (33, 470920), (40, 388509), (44, 353190), (55, 282552), (60, 259006), (61, 254760), (66, 235460), (88, 176595), (110, 141276), (120, 129503), (122, 127380), (132, 117730), (165, 94184), (183, 84920), (193, 80520), (220, 70638), (244, 63690), (264, 58865), (305, 50952), (330, 47092), (366, 42460), (386, 40260), (440, 35319), (488, 31845), (579, 26840), (610, 25476), (660, 23546), (671, 23160), (732, 21230), (772, 20130), (915, 16984), (965, 16104), (1158, 13420), (1220, 12738), (1320, 11773), (1342, 11580), (1464, 10615), (1544, 10065), (1830, 8492), (1930, 8052), (2013, 7720), (2123, 7320), (2316, 6710), (2440, 6369), (2684, 5790), (2895, 5368), (3355, 4632), (3660, 4246), (3860, 4026)]