647490960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8731}}^1$

素因数の和:8853

約数の個数: 120

約数和(自身を含む): 2195853504

約数和(自身を除く): 1548362544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 515, 618, 720, 824, 927, 1030, 1236, 1545, 1648, 1854, 2060, 2472, 3090, 3708, 4120, 4635, 4944, 6180, 7416, 8240, 8731, 9270, 12360, 14832, 17462, 18540, 24720, 26193, 34924, 37080, 43655, 52386, 69848, 74160, 78579, 87310, 104772, 130965, 139696, 157158, 174620, 209544, 261930, 314316, 349240, 392895, 419088, 523860, 628632, 698480, 785790, 899293, 1047720, 1257264, 1571580, 1798586, 2095440, 2697879, 3143160, 3597172, 4496465, 5395758, 6286320, 7194344, 8093637, 8992930, 10791516, 13489395, 14388688, 16187274, 17985860, 21583032, 26978790, 32374548, 35971720, 40468185, 43166064, 53957580, 64749096, 71943440, 80936370, 107915160, 129498192, 161872740, 215830320, 323745480, 647490960]

約数ペア:

[(1, 647490960), (2, 323745480), (3, 215830320), (4, 161872740), (5, 129498192), (6, 107915160), (8, 80936370), (9, 71943440), (10, 64749096), (12, 53957580), (15, 43166064), (16, 40468185), (18, 35971720), (20, 32374548), (24, 26978790), (30, 21583032), (36, 17985860), (40, 16187274), (45, 14388688), (48, 13489395), (60, 10791516), (72, 8992930), (80, 8093637), (90, 7194344), (103, 6286320), (120, 5395758), (144, 4496465), (180, 3597172), (206, 3143160), (240, 2697879), (309, 2095440), (360, 1798586), (412, 1571580), (515, 1257264), (618, 1047720), (720, 899293), (824, 785790), (927, 698480), (1030, 628632), (1236, 523860), (1545, 419088), (1648, 392895), (1854, 349240), (2060, 314316), (2472, 261930), (3090, 209544), (3708, 174620), (4120, 157158), (4635, 139696), (4944, 130965), (6180, 104772), (7416, 87310), (8240, 78579), (8731, 74160), (9270, 69848), (12360, 52386), (14832, 43655), (17462, 37080), (18540, 34924), (24720, 26193)]