2684621440

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:522

約数の個数: 128

約数和(自身を含む): 6543504000

約数和(自身を除く): 3858882560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 197, 199, 214, 320, 394, 398, 428, 535, 640, 788, 796, 856, 985, 995, 1070, 1576, 1592, 1712, 1970, 1990, 2140, 3152, 3184, 3424, 3940, 3980, 4280, 6304, 6368, 6848, 7880, 7960, 8560, 12608, 12736, 13696, 15760, 15920, 17120, 21079, 21293, 25216, 25472, 31520, 31840, 34240, 39203, 42158, 42586, 63040, 63680, 68480, 78406, 84316, 85172, 105395, 106465, 126080, 127360, 156812, 168632, 170344, 196015, 210790, 212930, 313624, 337264, 340688, 392030, 421580, 425860, 627248, 674528, 681376, 784060, 843160, 851720, 1254496, 1349056, 1362752, 1568120, 1686320, 1703440, 2508992, 2698112, 2725504, 3136240, 3372640, 3406880, 4194721, 5017984, 6272480, 6745280, 6813760, 8389442, 12544960, 13490560, 13627520, 16778884, 20973605, 25089920, 33557768, 41947210, 67115536, 83894420, 134231072, 167788840, 268462144, 335577680, 536924288, 671155360, 1342310720, 2684621440]

約数ペア:

[(1, 2684621440), (2, 1342310720), (4, 671155360), (5, 536924288), (8, 335577680), (10, 268462144), (16, 167788840), (20, 134231072), (32, 83894420), (40, 67115536), (64, 41947210), (80, 33557768), (107, 25089920), (128, 20973605), (160, 16778884), (197, 13627520), (199, 13490560), (214, 12544960), (320, 8389442), (394, 6813760), (398, 6745280), (428, 6272480), (535, 5017984), (640, 4194721), (788, 3406880), (796, 3372640), (856, 3136240), (985, 2725504), (995, 2698112), (1070, 2508992), (1576, 1703440), (1592, 1686320), (1712, 1568120), (1970, 1362752), (1990, 1349056), (2140, 1254496), (3152, 851720), (3184, 843160), (3424, 784060), (3940, 681376), (3980, 674528), (4280, 627248), (6304, 425860), (6368, 421580), (6848, 392030), (7880, 340688), (7960, 337264), (8560, 313624), (12608, 212930), (12736, 210790), (13696, 196015), (15760, 170344), (15920, 168632), (17120, 156812), (21079, 127360), (21293, 126080), (25216, 106465), (25472, 105395), (31520, 85172), (31840, 84316), (34240, 78406), (39203, 68480), (42158, 63680), (42586, 63040)]