84980920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3607}}^1$

素因数の和:3668

約数の個数: 64

約数和(自身を含む): 207820800

約数和(自身を除く): 122839880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3607, 4712, 5890, 7214, 11780, 14428, 18035, 23560, 28856, 36070, 68533, 72140, 111817, 137066, 144280, 223634, 274132, 342665, 447268, 548264, 559085, 685330, 894536, 1118170, 1370660, 2124523, 2236340, 2741320, 4249046, 4472680, 8498092, 10622615, 16996184, 21245230, 42490460, 84980920]

約数ペア:

[(1, 84980920), (2, 42490460), (4, 21245230), (5, 16996184), (8, 10622615), (10, 8498092), (19, 4472680), (20, 4249046), (31, 2741320), (38, 2236340), (40, 2124523), (62, 1370660), (76, 1118170), (95, 894536), (124, 685330), (152, 559085), (155, 548264), (190, 447268), (248, 342665), (310, 274132), (380, 223634), (589, 144280), (620, 137066), (760, 111817), (1178, 72140), (1240, 68533), (2356, 36070), (2945, 28856), (3607, 23560), (4712, 18035), (5890, 14428), (7214, 11780)]