656860680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1673

約数の個数: 288

約数和(自身を含む): 2592907200

約数和(自身を除く): 1936046520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 49, 56, 60, 63, 69, 70, 72, 84, 90, 92, 98, 105, 115, 120, 126, 138, 140, 147, 161, 168, 180, 184, 196, 207, 210, 230, 245, 252, 276, 280, 294, 315, 322, 345, 360, 392, 414, 420, 441, 460, 483, 490, 504, 552, 588, 630, 644, 690, 735, 805, 828, 840, 882, 920, 966, 980, 1035, 1127, 1176, 1260, 1288, 1380, 1449, 1470, 1610, 1619, 1656, 1764, 1932, 1960, 2070, 2205, 2254, 2415, 2520, 2760, 2898, 2940, 3220, 3238, 3381, 3528, 3864, 4140, 4410, 4508, 4830, 4857, 5635, 5796, 5880, 6440, 6476, 6762, 7245, 8095, 8280, 8820, 9016, 9660, 9714, 10143, 11270, 11333, 11592, 12952, 13524, 14490, 14571, 16190, 16905, 17640, 19320, 19428, 20286, 22540, 22666, 24285, 27048, 28980, 29142, 32380, 33810, 33999, 37237, 38856, 40572, 45080, 45332, 48570, 50715, 56665, 57960, 58284, 64760, 67620, 67998, 72855, 74474, 79331, 81144, 90664, 97140, 101430, 101997, 111711, 113330, 116568, 135240, 135996, 145710, 148948, 158662, 169995, 186185, 194280, 202860, 203994, 223422, 226660, 237993, 260659, 271992, 291420, 297896, 317324, 335133, 339990, 372370, 396655, 405720, 407988, 446844, 453320, 475986, 509985, 521318, 558555, 582840, 634648, 670266, 679980, 713979, 744740, 781977, 793310, 815976, 893688, 951972, 1019970, 1042636, 1117110, 1189965, 1303295, 1340532, 1359960, 1427958, 1489480, 1563954, 1586620, 1675665, 1824613, 1903944, 2039940, 2085272, 2234220, 2345931, 2379930, 2606590, 2681064, 2855916, 3127908, 3173240, 3351330, 3569895, 3649226, 3909885, 4079880, 4468440, 4691862, 4759860, 5213180, 5473839, 5711832, 6255816, 6702660, 7139790, 7298452, 7819770, 9123065, 9383724, 9519720, 10426360, 10947678, 11729655, 13405320, 14279580, 14596904, 15639540, 16421517, 18246130, 18767448, 21895356, 23459310, 27369195, 28559160, 31279080, 32843034, 36492260, 43790712, 46918620, 54738390, 65686068, 72984520, 82107585, 93837240, 109476780, 131372136, 164215170, 218953560, 328430340, 656860680]

約数ペア:

[(1, 656860680), (2, 328430340), (3, 218953560), (4, 164215170), (5, 131372136), (6, 109476780), (7, 93837240), (8, 82107585), (9, 72984520), (10, 65686068), (12, 54738390), (14, 46918620), (15, 43790712), (18, 36492260), (20, 32843034), (21, 31279080), (23, 28559160), (24, 27369195), (28, 23459310), (30, 21895356), (35, 18767448), (36, 18246130), (40, 16421517), (42, 15639540), (45, 14596904), (46, 14279580), (49, 13405320), (56, 11729655), (60, 10947678), (63, 10426360), (69, 9519720), (70, 9383724), (72, 9123065), (84, 7819770), (90, 7298452), (92, 7139790), (98, 6702660), (105, 6255816), (115, 5711832), (120, 5473839), (126, 5213180), (138, 4759860), (140, 4691862), (147, 4468440), (161, 4079880), (168, 3909885), (180, 3649226), (184, 3569895), (196, 3351330), (207, 3173240), (210, 3127908), (230, 2855916), (245, 2681064), (252, 2606590), (276, 2379930), (280, 2345931), (294, 2234220), (315, 2085272), (322, 2039940), (345, 1903944), (360, 1824613), (392, 1675665), (414, 1586620), (420, 1563954), (441, 1489480), (460, 1427958), (483, 1359960), (490, 1340532), (504, 1303295), (552, 1189965), (588, 1117110), (630, 1042636), (644, 1019970), (690, 951972), (735, 893688), (805, 815976), (828, 793310), (840, 781977), (882, 744740), (920, 713979), (966, 679980), (980, 670266), (1035, 634648), (1127, 582840), (1176, 558555), (1260, 521318), (1288, 509985), (1380, 475986), (1449, 453320), (1470, 446844), (1610, 407988), (1619, 405720), (1656, 396655), (1764, 372370), (1932, 339990), (1960, 335133), (2070, 317324), (2205, 297896), (2254, 291420), (2415, 271992), (2520, 260659), (2760, 237993), (2898, 226660), (2940, 223422), (3220, 203994), (3238, 202860), (3381, 194280), (3528, 186185), (3864, 169995), (4140, 158662), (4410, 148948), (4508, 145710), (4830, 135996), (4857, 135240), (5635, 116568), (5796, 113330), (5880, 111711), (6440, 101997), (6476, 101430), (6762, 97140), (7245, 90664), (8095, 81144), (8280, 79331), (8820, 74474), (9016, 72855), (9660, 67998), (9714, 67620), (10143, 64760), (11270, 58284), (11333, 57960), (11592, 56665), (12952, 50715), (13524, 48570), (14490, 45332), (14571, 45080), (16190, 40572), (16905, 38856), (17640, 37237), (19320, 33999), (19428, 33810), (20286, 32380), (22540, 29142), (22666, 28980), (24285, 27048)]