321039720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 256

約数和(自身を含む): 1135411200

約数和(自身を除く): 814371480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 43, 45, 54, 60, 62, 72, 86, 90, 93, 108, 120, 124, 129, 135, 155, 172, 180, 186, 215, 216, 223, 248, 258, 270, 279, 310, 344, 360, 372, 387, 430, 446, 465, 516, 540, 558, 620, 645, 669, 744, 774, 837, 860, 892, 930, 1032, 1080, 1115, 1116, 1161, 1240, 1290, 1333, 1338, 1395, 1548, 1674, 1720, 1784, 1860, 1935, 2007, 2230, 2232, 2322, 2580, 2666, 2676, 2790, 3096, 3345, 3348, 3720, 3870, 3999, 4014, 4185, 4460, 4644, 5160, 5332, 5352, 5580, 5805, 6021, 6665, 6690, 6696, 6913, 7740, 7998, 8028, 8370, 8920, 9288, 9589, 10035, 10664, 11160, 11610, 11997, 12042, 13330, 13380, 13826, 15480, 15996, 16056, 16740, 19178, 19995, 20070, 20739, 23220, 23994, 24084, 26660, 26760, 27652, 28767, 30105, 31992, 33480, 34565, 35991, 38356, 39990, 40140, 41478, 46440, 47945, 47988, 48168, 53320, 55304, 57534, 59985, 60210, 62217, 69130, 71982, 76712, 79980, 80280, 82956, 86301, 95890, 95976, 103695, 115068, 119970, 120420, 124434, 138260, 143835, 143964, 159960, 165912, 172602, 179955, 186651, 191780, 207390, 230136, 239940, 240840, 248868, 258903, 276520, 287670, 287928, 297259, 311085, 345204, 359910, 373302, 383560, 414780, 431505, 479880, 497736, 517806, 575340, 594518, 622170, 690408, 719820, 746604, 829560, 863010, 891777, 933255, 1035612, 1150680, 1189036, 1244340, 1294515, 1439640, 1486295, 1493208, 1726020, 1783554, 1866510, 2071224, 2378072, 2488680, 2589030, 2675331, 2972590, 3452040, 3567108, 3733020, 4458885, 5178060, 5350662, 5945180, 7134216, 7466040, 8025993, 8917770, 10356120, 10701324, 11890360, 13376655, 16051986, 17835540, 21402648, 26753310, 32103972, 35671080, 40129965, 53506620, 64207944, 80259930, 107013240, 160519860, 321039720]

約数ペア:

[(1, 321039720), (2, 160519860), (3, 107013240), (4, 80259930), (5, 64207944), (6, 53506620), (8, 40129965), (9, 35671080), (10, 32103972), (12, 26753310), (15, 21402648), (18, 17835540), (20, 16051986), (24, 13376655), (27, 11890360), (30, 10701324), (31, 10356120), (36, 8917770), (40, 8025993), (43, 7466040), (45, 7134216), (54, 5945180), (60, 5350662), (62, 5178060), (72, 4458885), (86, 3733020), (90, 3567108), (93, 3452040), (108, 2972590), (120, 2675331), (124, 2589030), (129, 2488680), (135, 2378072), (155, 2071224), (172, 1866510), (180, 1783554), (186, 1726020), (215, 1493208), (216, 1486295), (223, 1439640), (248, 1294515), (258, 1244340), (270, 1189036), (279, 1150680), (310, 1035612), (344, 933255), (360, 891777), (372, 863010), (387, 829560), (430, 746604), (446, 719820), (465, 690408), (516, 622170), (540, 594518), (558, 575340), (620, 517806), (645, 497736), (669, 479880), (744, 431505), (774, 414780), (837, 383560), (860, 373302), (892, 359910), (930, 345204), (1032, 311085), (1080, 297259), (1115, 287928), (1116, 287670), (1161, 276520), (1240, 258903), (1290, 248868), (1333, 240840), (1338, 239940), (1395, 230136), (1548, 207390), (1674, 191780), (1720, 186651), (1784, 179955), (1860, 172602), (1935, 165912), (2007, 159960), (2230, 143964), (2232, 143835), (2322, 138260), (2580, 124434), (2666, 120420), (2676, 119970), (2790, 115068), (3096, 103695), (3345, 95976), (3348, 95890), (3720, 86301), (3870, 82956), (3999, 80280), (4014, 79980), (4185, 76712), (4460, 71982), (4644, 69130), (5160, 62217), (5332, 60210), (5352, 59985), (5580, 57534), (5805, 55304), (6021, 53320), (6665, 48168), (6690, 47988), (6696, 47945), (6913, 46440), (7740, 41478), (7998, 40140), (8028, 39990), (8370, 38356), (8920, 35991), (9288, 34565), (9589, 33480), (10035, 31992), (10664, 30105), (11160, 28767), (11610, 27652), (11997, 26760), (12042, 26660), (13330, 24084), (13380, 23994), (13826, 23220), (15480, 20739), (15996, 20070), (16056, 19995), (16740, 19178)]