31264120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 76492800

約数和(自身を除く): 45228680

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, 1327, 2356, 2654, 2945, 4712, 5308, 5890, 6635, 10616, 11780, 13270, 23560, 25213, 26540, 41137, 50426, 53080, 82274, 100852, 126065, 164548, 201704, 205685, 252130, 329096, 411370, 504260, 781603, 822740, 1008520, 1563206, 1645480, 3126412, 3908015, 6252824, 7816030, 15632060, 31264120]

約数ペア:

[(1, 31264120), (2, 15632060), (4, 7816030), (5, 6252824), (8, 3908015), (10, 3126412), (19, 1645480), (20, 1563206), (31, 1008520), (38, 822740), (40, 781603), (62, 504260), (76, 411370), (95, 329096), (124, 252130), (152, 205685), (155, 201704), (190, 164548), (248, 126065), (310, 100852), (380, 82274), (589, 53080), (620, 50426), (760, 41137), (1178, 26540), (1240, 25213), (1327, 23560), (2356, 13270), (2654, 11780), (2945, 10616), (4712, 6635), (5308, 5890)]