31410720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 120113280

約数和(自身を除く): 88702560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 594, 660, 661, 720, 792, 864, 880, 990, 1056, 1080, 1188, 1320, 1322, 1440, 1485, 1584, 1760, 1980, 1983, 2160, 2376, 2640, 2644, 2970, 3168, 3305, 3960, 3966, 4320, 4752, 5280, 5288, 5940, 5949, 6610, 7271, 7920, 7932, 9504, 9915, 10576, 11880, 11898, 13220, 14542, 15840, 15864, 17847, 19830, 21152, 21813, 23760, 23796, 26440, 29084, 29745, 31728, 35694, 36355, 39660, 43626, 47520, 47592, 52880, 58168, 59490, 63456, 65439, 71388, 72710, 79320, 87252, 89235, 95184, 105760, 109065, 116336, 118980, 130878, 142776, 145420, 158640, 174504, 178470, 190368, 196317, 218130, 232672, 237960, 261756, 285552, 290840, 317280, 327195, 349008, 356940, 392634, 436260, 475920, 523512, 571104, 581680, 654390, 698016, 713880, 785268, 872520, 951840, 981585, 1047024, 1163360, 1308780, 1427760, 1570536, 1745040, 1963170, 2094048, 2617560, 2855520, 3141072, 3490080, 3926340, 5235120, 6282144, 7852680, 10470240, 15705360, 31410720]

約数ペア:

[(1, 31410720), (2, 15705360), (3, 10470240), (4, 7852680), (5, 6282144), (6, 5235120), (8, 3926340), (9, 3490080), (10, 3141072), (11, 2855520), (12, 2617560), (15, 2094048), (16, 1963170), (18, 1745040), (20, 1570536), (22, 1427760), (24, 1308780), (27, 1163360), (30, 1047024), (32, 981585), (33, 951840), (36, 872520), (40, 785268), (44, 713880), (45, 698016), (48, 654390), (54, 581680), (55, 571104), (60, 523512), (66, 475920), (72, 436260), (80, 392634), (88, 356940), (90, 349008), (96, 327195), (99, 317280), (108, 290840), (110, 285552), (120, 261756), (132, 237960), (135, 232672), (144, 218130), (160, 196317), (165, 190368), (176, 178470), (180, 174504), (198, 158640), (216, 145420), (220, 142776), (240, 130878), (264, 118980), (270, 116336), (288, 109065), (297, 105760), (330, 95184), (352, 89235), (360, 87252), (396, 79320), (432, 72710), (440, 71388), (480, 65439), (495, 63456), (528, 59490), (540, 58168), (594, 52880), (660, 47592), (661, 47520), (720, 43626), (792, 39660), (864, 36355), (880, 35694), (990, 31728), (1056, 29745), (1080, 29084), (1188, 26440), (1320, 23796), (1322, 23760), (1440, 21813), (1485, 21152), (1584, 19830), (1760, 17847), (1980, 15864), (1983, 15840), (2160, 14542), (2376, 13220), (2640, 11898), (2644, 11880), (2970, 10576), (3168, 9915), (3305, 9504), (3960, 7932), (3966, 7920), (4320, 7271), (4752, 6610), (5280, 5949), (5288, 5940)]