28919880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 105019200

約数和(自身を除く): 76099320

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, 67, 72, 88, 90, 99, 109, 110, 120, 132, 134, 165, 180, 198, 201, 218, 220, 264, 268, 327, 330, 335, 360, 396, 402, 436, 440, 495, 536, 545, 603, 654, 660, 670, 737, 792, 804, 872, 981, 990, 1005, 1090, 1199, 1206, 1308, 1320, 1340, 1474, 1608, 1635, 1962, 1980, 2010, 2180, 2211, 2398, 2412, 2616, 2680, 2948, 3015, 3270, 3597, 3685, 3924, 3960, 4020, 4360, 4422, 4796, 4824, 4905, 5896, 5995, 6030, 6540, 6633, 7194, 7303, 7370, 7848, 8040, 8844, 9592, 9810, 10791, 11055, 11990, 12060, 13080, 13266, 14388, 14606, 14740, 17688, 17985, 19620, 21582, 21909, 22110, 23980, 24120, 26532, 28776, 29212, 29480, 33165, 35970, 36515, 39240, 43164, 43818, 44220, 47960, 53064, 53955, 58424, 65727, 66330, 71940, 73030, 80333, 86328, 87636, 88440, 107910, 109545, 131454, 132660, 143880, 146060, 160666, 175272, 215820, 219090, 240999, 262908, 265320, 292120, 321332, 328635, 401665, 431640, 438180, 481998, 525816, 642664, 657270, 722997, 803330, 876360, 963996, 1204995, 1314540, 1445994, 1606660, 1927992, 2409990, 2629080, 2891988, 3213320, 3614985, 4819980, 5783976, 7229970, 9639960, 14459940, 28919880]

約数ペア:

[(1, 28919880), (2, 14459940), (3, 9639960), (4, 7229970), (5, 5783976), (6, 4819980), (8, 3614985), (9, 3213320), (10, 2891988), (11, 2629080), (12, 2409990), (15, 1927992), (18, 1606660), (20, 1445994), (22, 1314540), (24, 1204995), (30, 963996), (33, 876360), (36, 803330), (40, 722997), (44, 657270), (45, 642664), (55, 525816), (60, 481998), (66, 438180), (67, 431640), (72, 401665), (88, 328635), (90, 321332), (99, 292120), (109, 265320), (110, 262908), (120, 240999), (132, 219090), (134, 215820), (165, 175272), (180, 160666), (198, 146060), (201, 143880), (218, 132660), (220, 131454), (264, 109545), (268, 107910), (327, 88440), (330, 87636), (335, 86328), (360, 80333), (396, 73030), (402, 71940), (436, 66330), (440, 65727), (495, 58424), (536, 53955), (545, 53064), (603, 47960), (654, 44220), (660, 43818), (670, 43164), (737, 39240), (792, 36515), (804, 35970), (872, 33165), (981, 29480), (990, 29212), (1005, 28776), (1090, 26532), (1199, 24120), (1206, 23980), (1308, 22110), (1320, 21909), (1340, 21582), (1474, 19620), (1608, 17985), (1635, 17688), (1962, 14740), (1980, 14606), (2010, 14388), (2180, 13266), (2211, 13080), (2398, 12060), (2412, 11990), (2616, 11055), (2680, 10791), (2948, 9810), (3015, 9592), (3270, 8844), (3597, 8040), (3685, 7848), (3924, 7370), (3960, 7303), (4020, 7194), (4360, 6633), (4422, 6540), (4796, 6030), (4824, 5995), (4905, 5896)]