399238320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3191

約数の個数: 160

約数和(自身を含む): 1365787584

約数和(自身を除く): 966549264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 624, 656, 780, 820, 984, 1040, 1066, 1230, 1560, 1599, 1640, 1968, 2132, 2460, 2665, 3120, 3121, 3198, 3280, 4264, 4920, 5330, 6242, 6396, 7995, 8528, 9363, 9840, 10660, 12484, 12792, 15605, 15990, 18726, 21320, 24968, 25584, 31210, 31980, 37452, 40573, 42640, 46815, 49936, 62420, 63960, 74904, 81146, 93630, 121719, 124840, 127920, 127961, 149808, 162292, 187260, 202865, 243438, 249680, 255922, 324584, 374520, 383883, 405730, 486876, 511844, 608595, 639805, 649168, 749040, 767766, 811460, 973752, 1023688, 1217190, 1279610, 1535532, 1622920, 1663493, 1919415, 1947504, 2047376, 2434380, 2559220, 3071064, 3245840, 3326986, 3838830, 4868760, 4990479, 5118440, 6142128, 6653972, 7677660, 8317465, 9737520, 9980958, 10236880, 13307944, 15355320, 16634930, 19961916, 24952395, 26615888, 30710640, 33269860, 39923832, 49904790, 66539720, 79847664, 99809580, 133079440, 199619160, 399238320]

約数ペア:

[(1, 399238320), (2, 199619160), (3, 133079440), (4, 99809580), (5, 79847664), (6, 66539720), (8, 49904790), (10, 39923832), (12, 33269860), (13, 30710640), (15, 26615888), (16, 24952395), (20, 19961916), (24, 16634930), (26, 15355320), (30, 13307944), (39, 10236880), (40, 9980958), (41, 9737520), (48, 8317465), (52, 7677660), (60, 6653972), (65, 6142128), (78, 5118440), (80, 4990479), (82, 4868760), (104, 3838830), (120, 3326986), (123, 3245840), (130, 3071064), (156, 2559220), (164, 2434380), (195, 2047376), (205, 1947504), (208, 1919415), (240, 1663493), (246, 1622920), (260, 1535532), (312, 1279610), (328, 1217190), (390, 1023688), (410, 973752), (492, 811460), (520, 767766), (533, 749040), (615, 649168), (624, 639805), (656, 608595), (780, 511844), (820, 486876), (984, 405730), (1040, 383883), (1066, 374520), (1230, 324584), (1560, 255922), (1599, 249680), (1640, 243438), (1968, 202865), (2132, 187260), (2460, 162292), (2665, 149808), (3120, 127961), (3121, 127920), (3198, 124840), (3280, 121719), (4264, 93630), (4920, 81146), (5330, 74904), (6242, 63960), (6396, 62420), (7995, 49936), (8528, 46815), (9363, 42640), (9840, 40573), (10660, 37452), (12484, 31980), (12792, 31210), (15605, 25584), (15990, 24968), (18726, 21320)]