31306440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 105390720

約数和(自身を除く): 74084280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 641, 660, 740, 814, 888, 1110, 1221, 1282, 1320, 1480, 1628, 1923, 2035, 2220, 2442, 2564, 3205, 3256, 3846, 4070, 4440, 4884, 5128, 6105, 6410, 7051, 7692, 8140, 9615, 9768, 12210, 12820, 14102, 15384, 16280, 19230, 21153, 23717, 24420, 25640, 28204, 35255, 38460, 42306, 47434, 48840, 56408, 70510, 71151, 76920, 84612, 94868, 105765, 118585, 141020, 142302, 169224, 189736, 211530, 237170, 260887, 282040, 284604, 355755, 423060, 474340, 521774, 569208, 711510, 782661, 846120, 948680, 1043548, 1304435, 1423020, 1565322, 2087096, 2608870, 2846040, 3130644, 3913305, 5217740, 6261288, 7826610, 10435480, 15653220, 31306440]

約数ペア:

[(1, 31306440), (2, 15653220), (3, 10435480), (4, 7826610), (5, 6261288), (6, 5217740), (8, 3913305), (10, 3130644), (11, 2846040), (12, 2608870), (15, 2087096), (20, 1565322), (22, 1423020), (24, 1304435), (30, 1043548), (33, 948680), (37, 846120), (40, 782661), (44, 711510), (55, 569208), (60, 521774), (66, 474340), (74, 423060), (88, 355755), (110, 284604), (111, 282040), (120, 260887), (132, 237170), (148, 211530), (165, 189736), (185, 169224), (220, 142302), (222, 141020), (264, 118585), (296, 105765), (330, 94868), (370, 84612), (407, 76920), (440, 71151), (444, 70510), (555, 56408), (641, 48840), (660, 47434), (740, 42306), (814, 38460), (888, 35255), (1110, 28204), (1221, 25640), (1282, 24420), (1320, 23717), (1480, 21153), (1628, 19230), (1923, 16280), (2035, 15384), (2220, 14102), (2442, 12820), (2564, 12210), (3205, 9768), (3256, 9615), (3846, 8140), (4070, 7692), (4440, 7051), (4884, 6410), (5128, 6105)]