86274972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 270000640

約数和(自身を除く): 183725668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 37, 38, 42, 57, 63, 74, 76, 84, 111, 114, 126, 133, 148, 171, 222, 228, 252, 259, 266, 333, 342, 399, 444, 487, 518, 532, 666, 684, 703, 777, 798, 974, 1036, 1197, 1332, 1406, 1461, 1554, 1596, 1948, 2109, 2331, 2394, 2812, 2922, 3108, 3409, 4218, 4383, 4662, 4788, 4921, 5844, 6327, 6818, 8436, 8766, 9253, 9324, 9842, 10227, 12654, 13636, 14763, 17532, 18019, 18506, 19684, 20454, 25308, 27759, 29526, 30681, 36038, 37012, 40908, 44289, 54057, 55518, 59052, 61362, 64771, 72076, 83277, 88578, 108114, 111036, 122724, 126133, 129542, 162171, 166554, 177156, 194313, 216228, 252266, 259084, 324342, 333108, 342361, 378399, 388626, 504532, 582939, 648684, 684722, 756798, 777252, 1027083, 1135197, 1165878, 1369444, 1513596, 2054166, 2270394, 2331756, 2396527, 3081249, 4108332, 4540788, 4793054, 6162498, 7189581, 9586108, 12324996, 14379162, 21568743, 28758324, 43137486, 86274972]

約数ペア:

[(1, 86274972), (2, 43137486), (3, 28758324), (4, 21568743), (6, 14379162), (7, 12324996), (9, 9586108), (12, 7189581), (14, 6162498), (18, 4793054), (19, 4540788), (21, 4108332), (28, 3081249), (36, 2396527), (37, 2331756), (38, 2270394), (42, 2054166), (57, 1513596), (63, 1369444), (74, 1165878), (76, 1135197), (84, 1027083), (111, 777252), (114, 756798), (126, 684722), (133, 648684), (148, 582939), (171, 504532), (222, 388626), (228, 378399), (252, 342361), (259, 333108), (266, 324342), (333, 259084), (342, 252266), (399, 216228), (444, 194313), (487, 177156), (518, 166554), (532, 162171), (666, 129542), (684, 126133), (703, 122724), (777, 111036), (798, 108114), (974, 88578), (1036, 83277), (1197, 72076), (1332, 64771), (1406, 61362), (1461, 59052), (1554, 55518), (1596, 54057), (1948, 44289), (2109, 40908), (2331, 37012), (2394, 36038), (2812, 30681), (2922, 29526), (3108, 27759), (3409, 25308), (4218, 20454), (4383, 19684), (4662, 18506), (4788, 18019), (4921, 17532), (5844, 14763), (6327, 13636), (6818, 12654), (8436, 10227), (8766, 9842), (9253, 9324)]