87254460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:888

約数の個数: 144

約数和(自身を含む): 287938560

約数和(自身を除く): 200684100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 823, 855, 930, 1116, 1140, 1178, 1395, 1646, 1710, 1767, 1860, 2356, 2469, 2790, 2945, 3292, 3420, 3534, 4115, 4938, 5301, 5580, 5890, 7068, 7407, 8230, 8835, 9876, 10602, 11780, 12345, 14814, 15637, 16460, 17670, 21204, 24690, 25513, 26505, 29628, 31274, 35340, 37035, 46911, 49380, 51026, 53010, 62548, 74070, 76539, 78185, 93822, 102052, 106020, 127565, 140733, 148140, 153078, 156370, 187644, 229617, 234555, 255130, 281466, 306156, 312740, 382695, 459234, 469110, 484747, 510260, 562932, 703665, 765390, 918468, 938220, 969494, 1148085, 1407330, 1454241, 1530780, 1938988, 2296170, 2423735, 2814660, 2908482, 4362723, 4592340, 4847470, 5816964, 7271205, 8725446, 9694940, 14542410, 17450892, 21813615, 29084820, 43627230, 87254460]

約数ペア:

[(1, 87254460), (2, 43627230), (3, 29084820), (4, 21813615), (5, 17450892), (6, 14542410), (9, 9694940), (10, 8725446), (12, 7271205), (15, 5816964), (18, 4847470), (19, 4592340), (20, 4362723), (30, 2908482), (31, 2814660), (36, 2423735), (38, 2296170), (45, 1938988), (57, 1530780), (60, 1454241), (62, 1407330), (76, 1148085), (90, 969494), (93, 938220), (95, 918468), (114, 765390), (124, 703665), (155, 562932), (171, 510260), (180, 484747), (186, 469110), (190, 459234), (228, 382695), (279, 312740), (285, 306156), (310, 281466), (342, 255130), (372, 234555), (380, 229617), (465, 187644), (558, 156370), (570, 153078), (589, 148140), (620, 140733), (684, 127565), (823, 106020), (855, 102052), (930, 93822), (1116, 78185), (1140, 76539), (1178, 74070), (1395, 62548), (1646, 53010), (1710, 51026), (1767, 49380), (1860, 46911), (2356, 37035), (2469, 35340), (2790, 31274), (2945, 29628), (3292, 26505), (3420, 25513), (3534, 24690), (4115, 21204), (4938, 17670), (5301, 16460), (5580, 15637), (5890, 14814), (7068, 12345), (7407, 11780), (8230, 10602), (8835, 9876)]