178709520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 160

約数和(自身を含む): 609960960

約数和(自身を除く): 431251440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 139, 165, 176, 220, 240, 264, 278, 330, 417, 440, 487, 528, 556, 660, 695, 834, 880, 974, 1112, 1320, 1390, 1461, 1529, 1668, 1948, 2085, 2224, 2435, 2640, 2780, 2922, 3058, 3336, 3896, 4170, 4587, 4870, 5357, 5560, 5844, 6116, 6672, 7305, 7645, 7792, 8340, 9174, 9740, 10714, 11120, 11688, 12232, 14610, 15290, 16071, 16680, 18348, 19480, 21428, 22935, 23376, 24464, 26785, 29220, 30580, 32142, 33360, 36696, 38960, 42856, 45870, 53570, 58440, 61160, 64284, 67693, 73392, 80355, 85712, 91740, 107140, 116880, 122320, 128568, 135386, 160710, 183480, 203079, 214280, 257136, 270772, 321420, 338465, 366960, 406158, 428560, 541544, 642840, 676930, 744623, 812316, 1015395, 1083088, 1285680, 1353860, 1489246, 1624632, 2030790, 2233869, 2707720, 2978492, 3249264, 3723115, 4061580, 4467738, 5415440, 5956984, 7446230, 8123160, 8935476, 11169345, 11913968, 14892460, 16246320, 17870952, 22338690, 29784920, 35741904, 44677380, 59569840, 89354760, 178709520]

約数ペア:

[(1, 178709520), (2, 89354760), (3, 59569840), (4, 44677380), (5, 35741904), (6, 29784920), (8, 22338690), (10, 17870952), (11, 16246320), (12, 14892460), (15, 11913968), (16, 11169345), (20, 8935476), (22, 8123160), (24, 7446230), (30, 5956984), (33, 5415440), (40, 4467738), (44, 4061580), (48, 3723115), (55, 3249264), (60, 2978492), (66, 2707720), (80, 2233869), (88, 2030790), (110, 1624632), (120, 1489246), (132, 1353860), (139, 1285680), (165, 1083088), (176, 1015395), (220, 812316), (240, 744623), (264, 676930), (278, 642840), (330, 541544), (417, 428560), (440, 406158), (487, 366960), (528, 338465), (556, 321420), (660, 270772), (695, 257136), (834, 214280), (880, 203079), (974, 183480), (1112, 160710), (1320, 135386), (1390, 128568), (1461, 122320), (1529, 116880), (1668, 107140), (1948, 91740), (2085, 85712), (2224, 80355), (2435, 73392), (2640, 67693), (2780, 64284), (2922, 61160), (3058, 58440), (3336, 53570), (3896, 45870), (4170, 42856), (4587, 38960), (4870, 36696), (5357, 33360), (5560, 32142), (5844, 30580), (6116, 29220), (6672, 26785), (7305, 24464), (7645, 23376), (7792, 22935), (8340, 21428), (9174, 19480), (9740, 18348), (10714, 16680), (11120, 16071), (11688, 15290), (12232, 14610)]