61522840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 142560000

約数和(自身を除く): 81037160

約数列:

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

約数ペア:

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