8242740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 28619136

約数和(自身を除く): 20376396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 181, 198, 207, 220, 230, 253, 276, 330, 345, 362, 396, 414, 460, 495, 506, 543, 660, 690, 724, 759, 828, 905, 990, 1012, 1035, 1086, 1265, 1380, 1518, 1629, 1810, 1980, 1991, 2070, 2172, 2277, 2530, 2715, 3036, 3258, 3620, 3795, 3982, 4140, 4163, 4554, 5060, 5430, 5973, 6516, 7590, 7964, 8145, 8326, 9108, 9955, 10860, 11385, 11946, 12489, 15180, 16290, 16652, 17919, 19910, 20815, 22770, 23892, 24978, 29865, 32580, 35838, 37467, 39820, 41630, 45540, 45793, 49956, 59730, 62445, 71676, 74934, 83260, 89595, 91586, 119460, 124890, 137379, 149868, 179190, 183172, 187335, 228965, 249780, 274758, 358380, 374670, 412137, 457930, 549516, 686895, 749340, 824274, 915860, 1373790, 1648548, 2060685, 2747580, 4121370, 8242740]

約数ペア:

[(1, 8242740), (2, 4121370), (3, 2747580), (4, 2060685), (5, 1648548), (6, 1373790), (9, 915860), (10, 824274), (11, 749340), (12, 686895), (15, 549516), (18, 457930), (20, 412137), (22, 374670), (23, 358380), (30, 274758), (33, 249780), (36, 228965), (44, 187335), (45, 183172), (46, 179190), (55, 149868), (60, 137379), (66, 124890), (69, 119460), (90, 91586), (92, 89595), (99, 83260), (110, 74934), (115, 71676), (132, 62445), (138, 59730), (165, 49956), (180, 45793), (181, 45540), (198, 41630), (207, 39820), (220, 37467), (230, 35838), (253, 32580), (276, 29865), (330, 24978), (345, 23892), (362, 22770), (396, 20815), (414, 19910), (460, 17919), (495, 16652), (506, 16290), (543, 15180), (660, 12489), (690, 11946), (724, 11385), (759, 10860), (828, 9955), (905, 9108), (990, 8326), (1012, 8145), (1035, 7964), (1086, 7590), (1265, 6516), (1380, 5973), (1518, 5430), (1629, 5060), (1810, 4554), (1980, 4163), (1991, 4140), (2070, 3982), (2172, 3795), (2277, 3620), (2530, 3258), (2715, 3036)]