123045680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 294624000

約数和(自身を除く): 171578320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 131, 199, 236, 262, 295, 398, 472, 524, 590, 655, 796, 944, 995, 1048, 1180, 1310, 1592, 1990, 2096, 2360, 2620, 3184, 3980, 4720, 5240, 7729, 7960, 10480, 11741, 15458, 15920, 23482, 26069, 30916, 38645, 46964, 52138, 58705, 61832, 77290, 93928, 104276, 117410, 123664, 130345, 154580, 187856, 208552, 234820, 260690, 309160, 417104, 469640, 521380, 618320, 939280, 1042760, 1538071, 2085520, 3076142, 6152284, 7690355, 12304568, 15380710, 24609136, 30761420, 61522840, 123045680]

約数ペア:

[(1, 123045680), (2, 61522840), (4, 30761420), (5, 24609136), (8, 15380710), (10, 12304568), (16, 7690355), (20, 6152284), (40, 3076142), (59, 2085520), (80, 1538071), (118, 1042760), (131, 939280), (199, 618320), (236, 521380), (262, 469640), (295, 417104), (398, 309160), (472, 260690), (524, 234820), (590, 208552), (655, 187856), (796, 154580), (944, 130345), (995, 123664), (1048, 117410), (1180, 104276), (1310, 93928), (1592, 77290), (1990, 61832), (2096, 58705), (2360, 52138), (2620, 46964), (3184, 38645), (3980, 30916), (4720, 26069), (5240, 23482), (7729, 15920), (7960, 15458), (10480, 11741)]