278712720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2750

約数の個数: 240

約数和(自身を含む): 1100054592

約数和(自身を除く): 821341872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1980, 2145, 2288, 2340, 2574, 2640, 2707, 2860, 3120, 3432, 3960, 4290, 4680, 5148, 5414, 5720, 6435, 6864, 7920, 8121, 8580, 9360, 10296, 10828, 11440, 12870, 13535, 16242, 17160, 20592, 21656, 24363, 25740, 27070, 29777, 32484, 34320, 35191, 40605, 43312, 48726, 51480, 54140, 59554, 64968, 70382, 81210, 89331, 97452, 102960, 105573, 108280, 119108, 121815, 129936, 140764, 148885, 162420, 175955, 178662, 194904, 211146, 216560, 238216, 243630, 267993, 281528, 297770, 316719, 324840, 351910, 357324, 387101, 389808, 422292, 446655, 476432, 487260, 527865, 535986, 563056, 595540, 633438, 649680, 703820, 714648, 774202, 844584, 893310, 974520, 1055730, 1071972, 1161303, 1191080, 1266876, 1339965, 1407640, 1429296, 1548404, 1583595, 1689168, 1786620, 1935505, 1949040, 2111460, 2143944, 2322606, 2382160, 2533752, 2679930, 2815280, 3096808, 3167190, 3483909, 3573240, 3871010, 4222920, 4287888, 4645212, 5067504, 5359860, 5806515, 6193616, 6334380, 6967818, 7146480, 7742020, 8445840, 9290424, 10719720, 11613030, 12668760, 13935636, 15484040, 17419545, 18580848, 21439440, 23226060, 25337520, 27871272, 30968080, 34839090, 46452120, 55742544, 69678180, 92904240, 139356360, 278712720]

約数ペア:

[(1, 278712720), (2, 139356360), (3, 92904240), (4, 69678180), (5, 55742544), (6, 46452120), (8, 34839090), (9, 30968080), (10, 27871272), (11, 25337520), (12, 23226060), (13, 21439440), (15, 18580848), (16, 17419545), (18, 15484040), (20, 13935636), (22, 12668760), (24, 11613030), (26, 10719720), (30, 9290424), (33, 8445840), (36, 7742020), (39, 7146480), (40, 6967818), (44, 6334380), (45, 6193616), (48, 5806515), (52, 5359860), (55, 5067504), (60, 4645212), (65, 4287888), (66, 4222920), (72, 3871010), (78, 3573240), (80, 3483909), (88, 3167190), (90, 3096808), (99, 2815280), (104, 2679930), (110, 2533752), (117, 2382160), (120, 2322606), (130, 2143944), (132, 2111460), (143, 1949040), (144, 1935505), (156, 1786620), (165, 1689168), (176, 1583595), (180, 1548404), (195, 1429296), (198, 1407640), (208, 1339965), (220, 1266876), (234, 1191080), (240, 1161303), (260, 1071972), (264, 1055730), (286, 974520), (312, 893310), (330, 844584), (360, 774202), (390, 714648), (396, 703820), (429, 649680), (440, 633438), (468, 595540), (495, 563056), (520, 535986), (528, 527865), (572, 487260), (585, 476432), (624, 446655), (660, 422292), (715, 389808), (720, 387101), (780, 357324), (792, 351910), (858, 324840), (880, 316719), (936, 297770), (990, 281528), (1040, 267993), (1144, 243630), (1170, 238216), (1287, 216560), (1320, 211146), (1430, 194904), (1560, 178662), (1584, 175955), (1716, 162420), (1872, 148885), (1980, 140764), (2145, 129936), (2288, 121815), (2340, 119108), (2574, 108280), (2640, 105573), (2707, 102960), (2860, 97452), (3120, 89331), (3432, 81210), (3960, 70382), (4290, 64968), (4680, 59554), (5148, 54140), (5414, 51480), (5720, 48726), (6435, 43312), (6864, 40605), (7920, 35191), (8121, 34320), (8580, 32484), (9360, 29777), (10296, 27070), (10828, 25740), (11440, 24363), (12870, 21656), (13535, 20592), (16242, 17160)]