275877680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 733286400

約数和(自身を除く): 457408720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 155, 172, 199, 208, 215, 248, 260, 310, 344, 398, 403, 430, 496, 520, 559, 620, 688, 796, 806, 860, 995, 1040, 1118, 1240, 1333, 1592, 1612, 1720, 1990, 2015, 2236, 2480, 2587, 2666, 2795, 3184, 3224, 3440, 3980, 4030, 4472, 5174, 5332, 5590, 6169, 6448, 6665, 7960, 8060, 8557, 8944, 10348, 10664, 11180, 12338, 12935, 13330, 15920, 16120, 17114, 17329, 20696, 21328, 22360, 24676, 25870, 26660, 30845, 32240, 34228, 34658, 41392, 42785, 44720, 49352, 51740, 53320, 61690, 68456, 69316, 80197, 85570, 86645, 98704, 103480, 106640, 111241, 123380, 136912, 138632, 160394, 171140, 173290, 206960, 222482, 246760, 265267, 277264, 320788, 342280, 346580, 400985, 444964, 493520, 530534, 556205, 641576, 684560, 693160, 801970, 889928, 1061068, 1112410, 1283152, 1326335, 1386320, 1603940, 1779856, 2122136, 2224820, 2652670, 3207880, 3448471, 4244272, 4449640, 5305340, 6415760, 6896942, 8899280, 10610680, 13793884, 17242355, 21221360, 27587768, 34484710, 55175536, 68969420, 137938840, 275877680]

約数ペア:

[(1, 275877680), (2, 137938840), (4, 68969420), (5, 55175536), (8, 34484710), (10, 27587768), (13, 21221360), (16, 17242355), (20, 13793884), (26, 10610680), (31, 8899280), (40, 6896942), (43, 6415760), (52, 5305340), (62, 4449640), (65, 4244272), (80, 3448471), (86, 3207880), (104, 2652670), (124, 2224820), (130, 2122136), (155, 1779856), (172, 1603940), (199, 1386320), (208, 1326335), (215, 1283152), (248, 1112410), (260, 1061068), (310, 889928), (344, 801970), (398, 693160), (403, 684560), (430, 641576), (496, 556205), (520, 530534), (559, 493520), (620, 444964), (688, 400985), (796, 346580), (806, 342280), (860, 320788), (995, 277264), (1040, 265267), (1118, 246760), (1240, 222482), (1333, 206960), (1592, 173290), (1612, 171140), (1720, 160394), (1990, 138632), (2015, 136912), (2236, 123380), (2480, 111241), (2587, 106640), (2666, 103480), (2795, 98704), (3184, 86645), (3224, 85570), (3440, 80197), (3980, 69316), (4030, 68456), (4472, 61690), (5174, 53320), (5332, 51740), (5590, 49352), (6169, 44720), (6448, 42785), (6665, 41392), (7960, 34658), (8060, 34228), (8557, 32240), (8944, 30845), (10348, 26660), (10664, 25870), (11180, 24676), (12338, 22360), (12935, 21328), (13330, 20696), (15920, 17329), (16120, 17114)]