320232640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1615

約数の個数: 168

約数和(自身を含む): 955895472

約数和(自身を除く): 635662832

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1456, 1568, 1571, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3142, 3185, 3640, 3920, 4160, 5096, 5824, 6284, 6370, 7280, 7840, 7855, 10192, 10997, 12568, 12740, 14560, 15680, 15710, 20384, 20423, 21994, 25136, 25480, 29120, 31420, 40768, 40846, 43988, 50272, 50960, 54985, 62840, 76979, 81692, 87976, 100544, 101920, 102115, 109970, 125680, 142961, 153958, 163384, 175952, 203840, 204230, 219940, 251360, 285922, 307916, 326768, 351904, 384895, 408460, 439880, 502720, 571844, 615832, 653536, 703808, 714805, 769790, 816920, 879760, 1000727, 1143688, 1231664, 1307072, 1429610, 1539580, 1633840, 1759520, 2001454, 2287376, 2463328, 2859220, 3079160, 3267680, 3519040, 4002908, 4574752, 4926656, 5003635, 5718440, 6158320, 6535360, 8005816, 9149504, 10007270, 11436880, 12316640, 16011632, 20014540, 22873760, 24633280, 32023264, 40029080, 45747520, 64046528, 80058160, 160116320, 320232640]

約数ペア:

[(1, 320232640), (2, 160116320), (4, 80058160), (5, 64046528), (7, 45747520), (8, 40029080), (10, 32023264), (13, 24633280), (14, 22873760), (16, 20014540), (20, 16011632), (26, 12316640), (28, 11436880), (32, 10007270), (35, 9149504), (40, 8005816), (49, 6535360), (52, 6158320), (56, 5718440), (64, 5003635), (65, 4926656), (70, 4574752), (80, 4002908), (91, 3519040), (98, 3267680), (104, 3079160), (112, 2859220), (130, 2463328), (140, 2287376), (160, 2001454), (182, 1759520), (196, 1633840), (208, 1539580), (224, 1429610), (245, 1307072), (260, 1231664), (280, 1143688), (320, 1000727), (364, 879760), (392, 816920), (416, 769790), (448, 714805), (455, 703808), (490, 653536), (520, 615832), (560, 571844), (637, 502720), (728, 439880), (784, 408460), (832, 384895), (910, 351904), (980, 326768), (1040, 307916), (1120, 285922), (1274, 251360), (1456, 219940), (1568, 204230), (1571, 203840), (1820, 175952), (1960, 163384), (2080, 153958), (2240, 142961), (2548, 125680), (2912, 109970), (3136, 102115), (3142, 101920), (3185, 100544), (3640, 87976), (3920, 81692), (4160, 76979), (5096, 62840), (5824, 54985), (6284, 50960), (6370, 50272), (7280, 43988), (7840, 40846), (7855, 40768), (10192, 31420), (10997, 29120), (12568, 25480), (12740, 25136), (14560, 21994), (15680, 20423), (15710, 20384)]