163015720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1547

約数の個数: 128

約数和(自身を含む): 463449600

約数和(自身を除く): 300433880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 391, 460, 476, 595, 644, 680, 782, 805, 920, 952, 1190, 1288, 1489, 1564, 1610, 1955, 2380, 2737, 2978, 3128, 3220, 3910, 4760, 5474, 5956, 6440, 7445, 7820, 10423, 10948, 11912, 13685, 14890, 15640, 20846, 21896, 25313, 27370, 29780, 34247, 41692, 50626, 52115, 54740, 59560, 68494, 83384, 101252, 104230, 109480, 126565, 136988, 171235, 177191, 202504, 208460, 239729, 253130, 273976, 342470, 354382, 416920, 479458, 506260, 582199, 684940, 708764, 885955, 958916, 1012520, 1164398, 1198645, 1369880, 1417528, 1771910, 1917832, 2328796, 2397290, 2910995, 3543820, 4075393, 4657592, 4794580, 5821990, 7087640, 8150786, 9589160, 11643980, 16301572, 20376965, 23287960, 32603144, 40753930, 81507860, 163015720]

約数ペア:

[(1, 163015720), (2, 81507860), (4, 40753930), (5, 32603144), (7, 23287960), (8, 20376965), (10, 16301572), (14, 11643980), (17, 9589160), (20, 8150786), (23, 7087640), (28, 5821990), (34, 4794580), (35, 4657592), (40, 4075393), (46, 3543820), (56, 2910995), (68, 2397290), (70, 2328796), (85, 1917832), (92, 1771910), (115, 1417528), (119, 1369880), (136, 1198645), (140, 1164398), (161, 1012520), (170, 958916), (184, 885955), (230, 708764), (238, 684940), (280, 582199), (322, 506260), (340, 479458), (391, 416920), (460, 354382), (476, 342470), (595, 273976), (644, 253130), (680, 239729), (782, 208460), (805, 202504), (920, 177191), (952, 171235), (1190, 136988), (1288, 126565), (1489, 109480), (1564, 104230), (1610, 101252), (1955, 83384), (2380, 68494), (2737, 59560), (2978, 54740), (3128, 52115), (3220, 50626), (3910, 41692), (4760, 34247), (5474, 29780), (5956, 27370), (6440, 25313), (7445, 21896), (7820, 20846), (10423, 15640), (10948, 14890), (11912, 13685)]