1020221280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54499}}^1$

素因数の和:54533

約数の個数: 144

約数和(自身を含む): 3749382000

約数和(自身を除く): 2729160720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 54499, 108998, 163497, 217996, 272495, 326994, 435992, 490491, 544990, 653988, 708487, 817485, 871984, 980982, 1089980, 1307976, 1416974, 1634970, 1743968, 1961964, 2125461, 2179960, 2452455, 2615952, 2833948, 3269940, 3542435, 3923928, 4250922, 4359920, 4904910, 5231904, 5667896, 6376383, 6539880, 7084870, 7847856, 8501844, 8719840, 9809820, 10627305, 11335792, 12752766, 13079760, 14169740, 15695712, 17003688, 19619640, 21254610, 22671584, 25505532, 26159520, 28339480, 31881915, 34007376, 39239280, 42509220, 51011064, 56678960, 63763830, 68014752, 78478560, 85018440, 102022128, 113357920, 127527660, 170036880, 204044256, 255055320, 340073760, 510110640, 1020221280]

約数ペア:

[(1, 1020221280), (2, 510110640), (3, 340073760), (4, 255055320), (5, 204044256), (6, 170036880), (8, 127527660), (9, 113357920), (10, 102022128), (12, 85018440), (13, 78478560), (15, 68014752), (16, 63763830), (18, 56678960), (20, 51011064), (24, 42509220), (26, 39239280), (30, 34007376), (32, 31881915), (36, 28339480), (39, 26159520), (40, 25505532), (45, 22671584), (48, 21254610), (52, 19619640), (60, 17003688), (65, 15695712), (72, 14169740), (78, 13079760), (80, 12752766), (90, 11335792), (96, 10627305), (104, 9809820), (117, 8719840), (120, 8501844), (130, 7847856), (144, 7084870), (156, 6539880), (160, 6376383), (180, 5667896), (195, 5231904), (208, 4904910), (234, 4359920), (240, 4250922), (260, 3923928), (288, 3542435), (312, 3269940), (360, 2833948), (390, 2615952), (416, 2452455), (468, 2179960), (480, 2125461), (520, 1961964), (585, 1743968), (624, 1634970), (720, 1416974), (780, 1307976), (936, 1089980), (1040, 980982), (1170, 871984), (1248, 817485), (1440, 708487), (1560, 653988), (1872, 544990), (2080, 490491), (2340, 435992), (3120, 326994), (3744, 272495), (4680, 217996), (6240, 163497), (9360, 108998), (18720, 54499)]