81138930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{503}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 206115840

約数和(自身を除く): 124976910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 283, 285, 503, 566, 570, 849, 1006, 1415, 1509, 1698, 2515, 2830, 3018, 4245, 5030, 5377, 7545, 8490, 9557, 10754, 15090, 16131, 19114, 26885, 28671, 32262, 47785, 53770, 57342, 80655, 95570, 142349, 143355, 161310, 284698, 286710, 427047, 711745, 854094, 1423490, 2135235, 2704631, 4270470, 5409262, 8113893, 13523155, 16227786, 27046310, 40569465, 81138930]

約数ペア:

[(1, 81138930), (2, 40569465), (3, 27046310), (5, 16227786), (6, 13523155), (10, 8113893), (15, 5409262), (19, 4270470), (30, 2704631), (38, 2135235), (57, 1423490), (95, 854094), (114, 711745), (190, 427047), (283, 286710), (285, 284698), (503, 161310), (566, 143355), (570, 142349), (849, 95570), (1006, 80655), (1415, 57342), (1509, 53770), (1698, 47785), (2515, 32262), (2830, 28671), (3018, 26885), (4245, 19114), (5030, 16131), (5377, 15090), (7545, 10754), (8490, 9557)]