81854040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 173613480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 127, 131, 164, 205, 246, 254, 262, 328, 381, 393, 410, 492, 508, 524, 615, 635, 655, 762, 786, 820, 984, 1016, 1048, 1230, 1270, 1310, 1524, 1572, 1640, 1905, 1965, 2460, 2540, 2620, 3048, 3144, 3810, 3930, 4920, 5080, 5207, 5240, 5371, 7620, 7860, 10414, 10742, 15240, 15621, 15720, 16113, 16637, 20828, 21484, 26035, 26855, 31242, 32226, 33274, 41656, 42968, 49911, 52070, 53710, 62484, 64452, 66548, 78105, 80565, 83185, 99822, 104140, 107420, 124968, 128904, 133096, 156210, 161130, 166370, 199644, 208280, 214840, 249555, 312420, 322260, 332740, 399288, 499110, 624840, 644520, 665480, 682117, 998220, 1364234, 1996440, 2046351, 2728468, 3410585, 4092702, 5456936, 6821170, 8185404, 10231755, 13642340, 16370808, 20463510, 27284680, 40927020, 81854040]

約数ペア:

[(1, 81854040), (2, 40927020), (3, 27284680), (4, 20463510), (5, 16370808), (6, 13642340), (8, 10231755), (10, 8185404), (12, 6821170), (15, 5456936), (20, 4092702), (24, 3410585), (30, 2728468), (40, 2046351), (41, 1996440), (60, 1364234), (82, 998220), (120, 682117), (123, 665480), (127, 644520), (131, 624840), (164, 499110), (205, 399288), (246, 332740), (254, 322260), (262, 312420), (328, 249555), (381, 214840), (393, 208280), (410, 199644), (492, 166370), (508, 161130), (524, 156210), (615, 133096), (635, 128904), (655, 124968), (762, 107420), (786, 104140), (820, 99822), (984, 83185), (1016, 80565), (1048, 78105), (1230, 66548), (1270, 64452), (1310, 62484), (1524, 53710), (1572, 52070), (1640, 49911), (1905, 42968), (1965, 41656), (2460, 33274), (2540, 32226), (2620, 31242), (3048, 26855), (3144, 26035), (3810, 21484), (3930, 20828), (4920, 16637), (5080, 16113), (5207, 15720), (5240, 15621), (5371, 15240), (7620, 10742), (7860, 10414)]