7788228760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 19148976000

約数和(自身を除く): 11360747240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 313, 436, 439, 520, 545, 626, 872, 878, 1090, 1252, 1417, 1565, 1756, 2180, 2195, 2504, 2834, 3130, 3512, 4069, 4360, 4390, 5668, 5707, 6260, 7085, 8138, 8780, 11336, 11414, 12520, 14170, 16276, 17560, 20345, 22828, 28340, 28535, 32552, 34117, 40690, 45656, 47851, 56680, 57070, 68234, 81380, 95702, 114140, 136468, 137407, 162760, 170585, 191404, 228280, 239255, 272936, 274814, 341170, 382808, 443521, 478510, 549628, 622063, 682340, 687035, 887042, 957020, 1099256, 1244126, 1364680, 1374070, 1774084, 1786291, 1914040, 2217605, 2488252, 2748140, 3110315, 3548168, 3572582, 4435210, 4976504, 5496280, 6220630, 7145164, 8870420, 8931455, 12441260, 14290328, 14977363, 17740840, 17862910, 24882520, 29954726, 35725820, 59909452, 71451640, 74886815, 119818904, 149773630, 194705719, 299547260, 389411438, 599094520, 778822876, 973528595, 1557645752, 1947057190, 3894114380, 7788228760]

約数ペア:

[(1, 7788228760), (2, 3894114380), (4, 1947057190), (5, 1557645752), (8, 973528595), (10, 778822876), (13, 599094520), (20, 389411438), (26, 299547260), (40, 194705719), (52, 149773630), (65, 119818904), (104, 74886815), (109, 71451640), (130, 59909452), (218, 35725820), (260, 29954726), (313, 24882520), (436, 17862910), (439, 17740840), (520, 14977363), (545, 14290328), (626, 12441260), (872, 8931455), (878, 8870420), (1090, 7145164), (1252, 6220630), (1417, 5496280), (1565, 4976504), (1756, 4435210), (2180, 3572582), (2195, 3548168), (2504, 3110315), (2834, 2748140), (3130, 2488252), (3512, 2217605), (4069, 1914040), (4360, 1786291), (4390, 1774084), (5668, 1374070), (5707, 1364680), (6260, 1244126), (7085, 1099256), (8138, 957020), (8780, 887042), (11336, 687035), (11414, 682340), (12520, 622063), (14170, 549628), (16276, 478510), (17560, 443521), (20345, 382808), (22828, 341170), (28340, 274814), (28535, 272936), (32552, 239255), (34117, 228280), (40690, 191404), (45656, 170585), (47851, 162760), (56680, 137407), (57070, 136468), (68234, 114140), (81380, 95702)]