15105990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 38522880

約数和(自身を除く): 23416890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 439, 465, 555, 878, 930, 1110, 1147, 1317, 2195, 2294, 2634, 3441, 4390, 5735, 6585, 6882, 11470, 13170, 13609, 16243, 17205, 27218, 32486, 34410, 40827, 48729, 68045, 81215, 81654, 97458, 136090, 162430, 204135, 243645, 408270, 487290, 503533, 1007066, 1510599, 2517665, 3021198, 5035330, 7552995, 15105990]

約数ペア:

[(1, 15105990), (2, 7552995), (3, 5035330), (5, 3021198), (6, 2517665), (10, 1510599), (15, 1007066), (30, 503533), (31, 487290), (37, 408270), (62, 243645), (74, 204135), (93, 162430), (111, 136090), (155, 97458), (185, 81654), (186, 81215), (222, 68045), (310, 48729), (370, 40827), (439, 34410), (465, 32486), (555, 27218), (878, 17205), (930, 16243), (1110, 13609), (1147, 13170), (1317, 11470), (2195, 6882), (2294, 6585), (2634, 5735), (3441, 4390)]