31440420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 109670400

約数和(自身を除く): 78229980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 67, 79, 90, 99, 108, 110, 132, 134, 135, 158, 165, 180, 198, 201, 220, 237, 268, 270, 297, 316, 330, 335, 395, 396, 402, 474, 495, 540, 594, 603, 660, 670, 711, 737, 790, 804, 869, 948, 990, 1005, 1185, 1188, 1206, 1340, 1422, 1474, 1485, 1580, 1738, 1809, 1980, 2010, 2133, 2211, 2370, 2412, 2607, 2844, 2948, 2970, 3015, 3476, 3555, 3618, 3685, 4020, 4266, 4345, 4422, 4740, 5214, 5293, 5940, 6030, 6633, 7110, 7236, 7370, 7821, 8532, 8690, 8844, 9045, 10428, 10586, 10665, 11055, 12060, 13035, 13266, 14220, 14740, 15642, 15879, 17380, 18090, 19899, 21172, 21330, 22110, 23463, 26070, 26465, 26532, 31284, 31758, 33165, 36180, 39105, 39798, 42660, 44220, 46926, 47637, 52140, 52930, 58223, 63516, 66330, 78210, 79395, 79596, 93852, 95274, 99495, 105860, 116446, 117315, 132660, 142911, 156420, 158790, 174669, 190548, 198990, 232892, 234630, 238185, 285822, 291115, 317580, 349338, 397980, 469260, 476370, 524007, 571644, 582230, 698676, 714555, 873345, 952740, 1048014, 1164460, 1429110, 1572021, 1746690, 2096028, 2620035, 2858220, 3144042, 3493380, 5240070, 6288084, 7860105, 10480140, 15720210, 31440420]

約数ペア:

[(1, 31440420), (2, 15720210), (3, 10480140), (4, 7860105), (5, 6288084), (6, 5240070), (9, 3493380), (10, 3144042), (11, 2858220), (12, 2620035), (15, 2096028), (18, 1746690), (20, 1572021), (22, 1429110), (27, 1164460), (30, 1048014), (33, 952740), (36, 873345), (44, 714555), (45, 698676), (54, 582230), (55, 571644), (60, 524007), (66, 476370), (67, 469260), (79, 397980), (90, 349338), (99, 317580), (108, 291115), (110, 285822), (132, 238185), (134, 234630), (135, 232892), (158, 198990), (165, 190548), (180, 174669), (198, 158790), (201, 156420), (220, 142911), (237, 132660), (268, 117315), (270, 116446), (297, 105860), (316, 99495), (330, 95274), (335, 93852), (395, 79596), (396, 79395), (402, 78210), (474, 66330), (495, 63516), (540, 58223), (594, 52930), (603, 52140), (660, 47637), (670, 46926), (711, 44220), (737, 42660), (790, 39798), (804, 39105), (869, 36180), (948, 33165), (990, 31758), (1005, 31284), (1185, 26532), (1188, 26465), (1206, 26070), (1340, 23463), (1422, 22110), (1474, 21330), (1485, 21172), (1580, 19899), (1738, 18090), (1809, 17380), (1980, 15879), (2010, 15642), (2133, 14740), (2211, 14220), (2370, 13266), (2412, 13035), (2607, 12060), (2844, 11055), (2948, 10665), (2970, 10586), (3015, 10428), (3476, 9045), (3555, 8844), (3618, 8690), (3685, 8532), (4020, 7821), (4266, 7370), (4345, 7236), (4422, 7110), (4740, 6633), (5214, 6030), (5293, 5940)]