27991260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 94453632

約数和(自身を除く): 66462372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 67, 90, 99, 110, 132, 134, 165, 180, 198, 201, 211, 220, 268, 330, 335, 396, 402, 422, 495, 603, 633, 660, 670, 737, 804, 844, 990, 1005, 1055, 1206, 1266, 1340, 1474, 1899, 1980, 2010, 2110, 2211, 2321, 2412, 2532, 2948, 3015, 3165, 3685, 3798, 4020, 4220, 4422, 4642, 6030, 6330, 6633, 6963, 7370, 7596, 8844, 9284, 9495, 11055, 11605, 12060, 12660, 13266, 13926, 14137, 14740, 18990, 20889, 22110, 23210, 26532, 27852, 28274, 33165, 34815, 37980, 41778, 42411, 44220, 46420, 56548, 66330, 69630, 70685, 83556, 84822, 104445, 127233, 132660, 139260, 141370, 155507, 169644, 208890, 212055, 254466, 282740, 311014, 417780, 424110, 466521, 508932, 622028, 636165, 777535, 848220, 933042, 1272330, 1399563, 1555070, 1866084, 2332605, 2544660, 2799126, 3110140, 4665210, 5598252, 6997815, 9330420, 13995630, 27991260]

約数ペア:

[(1, 27991260), (2, 13995630), (3, 9330420), (4, 6997815), (5, 5598252), (6, 4665210), (9, 3110140), (10, 2799126), (11, 2544660), (12, 2332605), (15, 1866084), (18, 1555070), (20, 1399563), (22, 1272330), (30, 933042), (33, 848220), (36, 777535), (44, 636165), (45, 622028), (55, 508932), (60, 466521), (66, 424110), (67, 417780), (90, 311014), (99, 282740), (110, 254466), (132, 212055), (134, 208890), (165, 169644), (180, 155507), (198, 141370), (201, 139260), (211, 132660), (220, 127233), (268, 104445), (330, 84822), (335, 83556), (396, 70685), (402, 69630), (422, 66330), (495, 56548), (603, 46420), (633, 44220), (660, 42411), (670, 41778), (737, 37980), (804, 34815), (844, 33165), (990, 28274), (1005, 27852), (1055, 26532), (1206, 23210), (1266, 22110), (1340, 20889), (1474, 18990), (1899, 14740), (1980, 14137), (2010, 13926), (2110, 13266), (2211, 12660), (2321, 12060), (2412, 11605), (2532, 11055), (2948, 9495), (3015, 9284), (3165, 8844), (3685, 7596), (3798, 7370), (4020, 6963), (4220, 6633), (4422, 6330), (4642, 6030)]