161185440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1987}}^1$

素因数の和:2031

約数の個数: 144

約数和(自身を含む): 550071648

約数和(自身を除く): 388886208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 1987, 2028, 2080, 2535, 2704, 3120, 3380, 3974, 4056, 5070, 5408, 5961, 6240, 6760, 7948, 8112, 9935, 10140, 11922, 13520, 15896, 16224, 19870, 20280, 23844, 25831, 27040, 29805, 31792, 39740, 40560, 47688, 51662, 59610, 63584, 77493, 79480, 81120, 95376, 103324, 119220, 129155, 154986, 158960, 190752, 206648, 238440, 258310, 309972, 317920, 335803, 387465, 413296, 476880, 516620, 619944, 671606, 774930, 826592, 953760, 1007409, 1033240, 1239888, 1343212, 1549860, 1679015, 2014818, 2066480, 2479776, 2686424, 3099720, 3358030, 4029636, 4132960, 5037045, 5372848, 6199440, 6716060, 8059272, 10074090, 10745696, 12398880, 13432120, 16118544, 20148180, 26864240, 32237088, 40296360, 53728480, 80592720, 161185440]

約数ペア:

[(1, 161185440), (2, 80592720), (3, 53728480), (4, 40296360), (5, 32237088), (6, 26864240), (8, 20148180), (10, 16118544), (12, 13432120), (13, 12398880), (15, 10745696), (16, 10074090), (20, 8059272), (24, 6716060), (26, 6199440), (30, 5372848), (32, 5037045), (39, 4132960), (40, 4029636), (48, 3358030), (52, 3099720), (60, 2686424), (65, 2479776), (78, 2066480), (80, 2014818), (96, 1679015), (104, 1549860), (120, 1343212), (130, 1239888), (156, 1033240), (160, 1007409), (169, 953760), (195, 826592), (208, 774930), (240, 671606), (260, 619944), (312, 516620), (338, 476880), (390, 413296), (416, 387465), (480, 335803), (507, 317920), (520, 309972), (624, 258310), (676, 238440), (780, 206648), (845, 190752), (1014, 158960), (1040, 154986), (1248, 129155), (1352, 119220), (1560, 103324), (1690, 95376), (1987, 81120), (2028, 79480), (2080, 77493), (2535, 63584), (2704, 59610), (3120, 51662), (3380, 47688), (3974, 40560), (4056, 39740), (5070, 31792), (5408, 29805), (5961, 27040), (6240, 25831), (6760, 23844), (7948, 20280), (8112, 19870), (9935, 16224), (10140, 15896), (11922, 13520)]