20121120240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1\times {\mathrm{4513}}^1$

素因数の和:5971

約数の個数: 160

約数和(自身を含む): 67235488320

約数和(自身を除く): 47114368080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1429, 1560, 2858, 3120, 4287, 4513, 5716, 7145, 8574, 9026, 11432, 13539, 14290, 17148, 18052, 18577, 21435, 22565, 22864, 27078, 28580, 34296, 36104, 37154, 42870, 45130, 54156, 55731, 57160, 58669, 67695, 68592, 72208, 74308, 85740, 90260, 92885, 108312, 111462, 114320, 117338, 135390, 148616, 171480, 176007, 180520, 185770, 216624, 222924, 234676, 270780, 278655, 293345, 297232, 342960, 352014, 361040, 371540, 445848, 469352, 541560, 557310, 586690, 704028, 743080, 880035, 891696, 938704, 1083120, 1114620, 1173380, 1408056, 1486160, 1760070, 2229240, 2346760, 2816112, 3520140, 4458480, 4693520, 6449077, 7040280, 12898154, 14080560, 19347231, 25796308, 32245385, 38694462, 51592616, 64490770, 77388924, 83838001, 96736155, 103185232, 128981540, 154777848, 167676002, 193472310, 251514003, 257963080, 309555696, 335352004, 386944620, 419190005, 503028006, 515926160, 670704008, 773889240, 838380010, 1006056012, 1257570015, 1341408016, 1547778480, 1676760020, 2012112024, 2515140030, 3353520040, 4024224048, 5030280060, 6707040080, 10060560120, 20121120240]

約数ペア:

[(1, 20121120240), (2, 10060560120), (3, 6707040080), (4, 5030280060), (5, 4024224048), (6, 3353520040), (8, 2515140030), (10, 2012112024), (12, 1676760020), (13, 1547778480), (15, 1341408016), (16, 1257570015), (20, 1006056012), (24, 838380010), (26, 773889240), (30, 670704008), (39, 515926160), (40, 503028006), (48, 419190005), (52, 386944620), (60, 335352004), (65, 309555696), (78, 257963080), (80, 251514003), (104, 193472310), (120, 167676002), (130, 154777848), (156, 128981540), (195, 103185232), (208, 96736155), (240, 83838001), (260, 77388924), (312, 64490770), (390, 51592616), (520, 38694462), (624, 32245385), (780, 25796308), (1040, 19347231), (1429, 14080560), (1560, 12898154), (2858, 7040280), (3120, 6449077), (4287, 4693520), (4513, 4458480), (5716, 3520140), (7145, 2816112), (8574, 2346760), (9026, 2229240), (11432, 1760070), (13539, 1486160), (14290, 1408056), (17148, 1173380), (18052, 1114620), (18577, 1083120), (21435, 938704), (22565, 891696), (22864, 880035), (27078, 743080), (28580, 704028), (34296, 586690), (36104, 557310), (37154, 541560), (42870, 469352), (45130, 445848), (54156, 371540), (55731, 361040), (57160, 352014), (58669, 342960), (67695, 297232), (68592, 293345), (72208, 278655), (74308, 270780), (85740, 234676), (90260, 222924), (92885, 216624), (108312, 185770), (111462, 180520), (114320, 176007), (117338, 171480), (135390, 148616)]