64766440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2810

約数の個数: 64

約数和(自身を含む): 158400000

約数和(自身を除く): 93633560

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, 2749, 2945, 4712, 5498, 5890, 10996, 11780, 13745, 21992, 23560, 27490, 52231, 54980, 85219, 104462, 109960, 170438, 208924, 261155, 340876, 417848, 426095, 522310, 681752, 852190, 1044620, 1619161, 1704380, 2089240, 3238322, 3408760, 6476644, 8095805, 12953288, 16191610, 32383220, 64766440]

約数ペア:

[(1, 64766440), (2, 32383220), (4, 16191610), (5, 12953288), (8, 8095805), (10, 6476644), (19, 3408760), (20, 3238322), (31, 2089240), (38, 1704380), (40, 1619161), (62, 1044620), (76, 852190), (95, 681752), (124, 522310), (152, 426095), (155, 417848), (190, 340876), (248, 261155), (310, 208924), (380, 170438), (589, 109960), (620, 104462), (760, 85219), (1178, 54980), (1240, 52231), (2356, 27490), (2749, 23560), (2945, 21992), (4712, 13745), (5498, 11780), (5890, 10996)]