31509720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 114285600

約数和(自身を除く): 82775880

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, 73, 88, 90, 99, 109, 110, 120, 132, 146, 165, 180, 198, 218, 219, 220, 264, 292, 327, 330, 360, 365, 396, 436, 438, 440, 495, 545, 584, 654, 657, 660, 730, 792, 803, 872, 876, 981, 990, 1090, 1095, 1199, 1308, 1314, 1320, 1460, 1606, 1635, 1752, 1962, 1980, 2180, 2190, 2398, 2409, 2616, 2628, 2920, 3212, 3270, 3285, 3597, 3924, 3960, 4015, 4360, 4380, 4796, 4818, 4905, 5256, 5995, 6424, 6540, 6570, 7194, 7227, 7848, 7957, 8030, 8760, 9592, 9636, 9810, 10791, 11990, 12045, 13080, 13140, 14388, 14454, 15914, 16060, 17985, 19272, 19620, 21582, 23871, 23980, 24090, 26280, 28776, 28908, 31828, 32120, 35970, 36135, 39240, 39785, 43164, 47742, 47960, 48180, 53955, 57816, 63656, 71613, 71940, 72270, 79570, 86328, 87527, 95484, 96360, 107910, 119355, 143226, 143880, 144540, 159140, 175054, 190968, 215820, 238710, 262581, 286452, 289080, 318280, 350108, 358065, 431640, 437635, 477420, 525162, 572904, 700216, 716130, 787743, 875270, 954840, 1050324, 1312905, 1432260, 1575486, 1750540, 2100648, 2625810, 2864520, 3150972, 3501080, 3938715, 5251620, 6301944, 7877430, 10503240, 15754860, 31509720]

約数ペア:

[(1, 31509720), (2, 15754860), (3, 10503240), (4, 7877430), (5, 6301944), (6, 5251620), (8, 3938715), (9, 3501080), (10, 3150972), (11, 2864520), (12, 2625810), (15, 2100648), (18, 1750540), (20, 1575486), (22, 1432260), (24, 1312905), (30, 1050324), (33, 954840), (36, 875270), (40, 787743), (44, 716130), (45, 700216), (55, 572904), (60, 525162), (66, 477420), (72, 437635), (73, 431640), (88, 358065), (90, 350108), (99, 318280), (109, 289080), (110, 286452), (120, 262581), (132, 238710), (146, 215820), (165, 190968), (180, 175054), (198, 159140), (218, 144540), (219, 143880), (220, 143226), (264, 119355), (292, 107910), (327, 96360), (330, 95484), (360, 87527), (365, 86328), (396, 79570), (436, 72270), (438, 71940), (440, 71613), (495, 63656), (545, 57816), (584, 53955), (654, 48180), (657, 47960), (660, 47742), (730, 43164), (792, 39785), (803, 39240), (872, 36135), (876, 35970), (981, 32120), (990, 31828), (1090, 28908), (1095, 28776), (1199, 26280), (1308, 24090), (1314, 23980), (1320, 23871), (1460, 21582), (1606, 19620), (1635, 19272), (1752, 17985), (1962, 16060), (1980, 15914), (2180, 14454), (2190, 14388), (2398, 13140), (2409, 13080), (2616, 12045), (2628, 11990), (2920, 10791), (3212, 9810), (3270, 9636), (3285, 9592), (3597, 8760), (3924, 8030), (3960, 7957), (4015, 7848), (4360, 7227), (4380, 7194), (4796, 6570), (4818, 6540), (4905, 6424), (5256, 5995)]