31881960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 115577280

約数和(自身を除く): 83695320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 83, 88, 90, 97, 99, 110, 120, 132, 165, 166, 180, 194, 198, 220, 249, 264, 291, 330, 332, 360, 388, 396, 415, 440, 485, 495, 498, 582, 660, 664, 747, 776, 792, 830, 873, 913, 970, 990, 996, 1067, 1164, 1245, 1320, 1455, 1494, 1660, 1746, 1826, 1940, 1980, 1992, 2134, 2328, 2490, 2739, 2910, 2988, 3201, 3320, 3492, 3652, 3735, 3880, 3960, 4268, 4365, 4565, 4980, 5335, 5478, 5820, 5976, 6402, 6984, 7304, 7470, 8051, 8217, 8536, 8730, 9130, 9603, 9960, 10670, 10956, 11640, 12804, 13695, 14940, 16005, 16102, 16434, 17460, 18260, 19206, 21340, 21912, 24153, 25608, 27390, 29880, 32010, 32204, 32868, 34920, 36520, 38412, 40255, 41085, 42680, 48015, 48306, 54780, 64020, 64408, 65736, 72459, 76824, 80510, 82170, 88561, 96030, 96612, 109560, 120765, 128040, 144918, 161020, 164340, 177122, 192060, 193224, 241530, 265683, 289836, 322040, 328680, 354244, 362295, 384120, 442805, 483060, 531366, 579672, 708488, 724590, 797049, 885610, 966120, 1062732, 1328415, 1449180, 1594098, 1771220, 2125464, 2656830, 2898360, 3188196, 3542440, 3985245, 5313660, 6376392, 7970490, 10627320, 15940980, 31881960]

約数ペア:

[(1, 31881960), (2, 15940980), (3, 10627320), (4, 7970490), (5, 6376392), (6, 5313660), (8, 3985245), (9, 3542440), (10, 3188196), (11, 2898360), (12, 2656830), (15, 2125464), (18, 1771220), (20, 1594098), (22, 1449180), (24, 1328415), (30, 1062732), (33, 966120), (36, 885610), (40, 797049), (44, 724590), (45, 708488), (55, 579672), (60, 531366), (66, 483060), (72, 442805), (83, 384120), (88, 362295), (90, 354244), (97, 328680), (99, 322040), (110, 289836), (120, 265683), (132, 241530), (165, 193224), (166, 192060), (180, 177122), (194, 164340), (198, 161020), (220, 144918), (249, 128040), (264, 120765), (291, 109560), (330, 96612), (332, 96030), (360, 88561), (388, 82170), (396, 80510), (415, 76824), (440, 72459), (485, 65736), (495, 64408), (498, 64020), (582, 54780), (660, 48306), (664, 48015), (747, 42680), (776, 41085), (792, 40255), (830, 38412), (873, 36520), (913, 34920), (970, 32868), (990, 32204), (996, 32010), (1067, 29880), (1164, 27390), (1245, 25608), (1320, 24153), (1455, 21912), (1494, 21340), (1660, 19206), (1746, 18260), (1826, 17460), (1940, 16434), (1980, 16102), (1992, 16005), (2134, 14940), (2328, 13695), (2490, 12804), (2739, 11640), (2910, 10956), (2988, 10670), (3201, 9960), (3320, 9603), (3492, 9130), (3652, 8730), (3735, 8536), (3880, 8217), (3960, 8051), (4268, 7470), (4365, 7304), (4565, 6984), (4980, 6402), (5335, 5976), (5478, 5820)]