31161240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 117849600

約数和(自身を除く): 86688360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 43, 44, 45, 54, 55, 60, 61, 66, 72, 86, 88, 90, 99, 108, 110, 120, 122, 129, 132, 135, 165, 172, 180, 183, 198, 215, 216, 220, 244, 258, 264, 270, 297, 305, 330, 344, 360, 366, 387, 396, 430, 440, 473, 488, 495, 516, 540, 549, 594, 610, 645, 660, 671, 732, 774, 792, 860, 915, 946, 990, 1032, 1080, 1098, 1161, 1188, 1220, 1290, 1320, 1342, 1419, 1464, 1485, 1548, 1647, 1720, 1830, 1892, 1935, 1980, 2013, 2196, 2322, 2365, 2376, 2440, 2580, 2623, 2684, 2745, 2838, 2970, 3096, 3294, 3355, 3660, 3784, 3870, 3960, 4026, 4257, 4392, 4644, 4730, 5160, 5246, 5368, 5490, 5676, 5805, 5940, 6039, 6588, 6710, 7095, 7320, 7740, 7869, 8052, 8235, 8514, 9288, 9460, 10065, 10492, 10980, 11352, 11610, 11880, 12078, 12771, 13115, 13176, 13420, 14190, 15480, 15738, 16104, 16470, 17028, 18117, 18920, 20130, 20984, 21285, 21960, 23220, 23607, 24156, 25542, 26230, 26840, 28380, 28853, 30195, 31476, 32940, 34056, 36234, 39345, 40260, 42570, 46440, 47214, 48312, 51084, 52460, 56760, 57706, 60390, 62952, 63855, 65880, 70821, 72468, 78690, 80520, 85140, 86559, 90585, 94428, 102168, 104920, 115412, 118035, 120780, 127710, 141642, 144265, 144936, 157380, 170280, 173118, 181170, 188856, 230824, 236070, 241560, 255420, 259677, 283284, 288530, 314760, 346236, 354105, 362340, 432795, 472140, 510840, 519354, 566568, 577060, 692472, 708210, 724680, 779031, 865590, 944280, 1038708, 1154120, 1298385, 1416420, 1558062, 1731180, 2077416, 2596770, 2832840, 3116124, 3462360, 3895155, 5193540, 6232248, 7790310, 10387080, 15580620, 31161240]

約数ペア:

[(1, 31161240), (2, 15580620), (3, 10387080), (4, 7790310), (5, 6232248), (6, 5193540), (8, 3895155), (9, 3462360), (10, 3116124), (11, 2832840), (12, 2596770), (15, 2077416), (18, 1731180), (20, 1558062), (22, 1416420), (24, 1298385), (27, 1154120), (30, 1038708), (33, 944280), (36, 865590), (40, 779031), (43, 724680), (44, 708210), (45, 692472), (54, 577060), (55, 566568), (60, 519354), (61, 510840), (66, 472140), (72, 432795), (86, 362340), (88, 354105), (90, 346236), (99, 314760), (108, 288530), (110, 283284), (120, 259677), (122, 255420), (129, 241560), (132, 236070), (135, 230824), (165, 188856), (172, 181170), (180, 173118), (183, 170280), (198, 157380), (215, 144936), (216, 144265), (220, 141642), (244, 127710), (258, 120780), (264, 118035), (270, 115412), (297, 104920), (305, 102168), (330, 94428), (344, 90585), (360, 86559), (366, 85140), (387, 80520), (396, 78690), (430, 72468), (440, 70821), (473, 65880), (488, 63855), (495, 62952), (516, 60390), (540, 57706), (549, 56760), (594, 52460), (610, 51084), (645, 48312), (660, 47214), (671, 46440), (732, 42570), (774, 40260), (792, 39345), (860, 36234), (915, 34056), (946, 32940), (990, 31476), (1032, 30195), (1080, 28853), (1098, 28380), (1161, 26840), (1188, 26230), (1220, 25542), (1290, 24156), (1320, 23607), (1342, 23220), (1419, 21960), (1464, 21285), (1485, 20984), (1548, 20130), (1647, 18920), (1720, 18117), (1830, 17028), (1892, 16470), (1935, 16104), (1980, 15738), (2013, 15480), (2196, 14190), (2322, 13420), (2365, 13176), (2376, 13115), (2440, 12771), (2580, 12078), (2623, 11880), (2684, 11610), (2745, 11352), (2838, 10980), (2970, 10492), (3096, 10065), (3294, 9460), (3355, 9288), (3660, 8514), (3784, 8235), (3870, 8052), (3960, 7869), (4026, 7740), (4257, 7320), (4392, 7095), (4644, 6710), (4730, 6588), (5160, 6039), (5246, 5940), (5368, 5805), (5490, 5676)]