64503040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 184843008

約数和(自身を除く): 120339968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 313, 320, 322, 368, 448, 460, 560, 626, 640, 644, 736, 805, 896, 920, 1120, 1252, 1280, 1288, 1472, 1565, 1610, 1792, 1840, 2191, 2240, 2504, 2576, 2944, 3130, 3220, 3680, 4382, 4480, 5008, 5152, 5888, 6260, 6440, 7199, 7360, 8764, 8960, 10016, 10304, 10955, 12520, 12880, 14398, 14720, 17528, 20032, 20608, 21910, 25040, 25760, 28796, 29440, 35056, 35995, 40064, 41216, 43820, 50080, 50393, 51520, 57592, 70112, 71990, 80128, 87640, 100160, 100786, 103040, 115184, 140224, 143980, 175280, 200320, 201572, 206080, 230368, 251965, 280448, 287960, 350560, 400640, 403144, 460736, 503930, 560896, 575920, 701120, 806288, 921472, 1007860, 1151840, 1402240, 1612576, 1842944, 2015720, 2303680, 2804480, 3225152, 4031440, 4607360, 6450304, 8062880, 9214720, 12900608, 16125760, 32251520, 64503040]

約数ペア:

[(1, 64503040), (2, 32251520), (4, 16125760), (5, 12900608), (7, 9214720), (8, 8062880), (10, 6450304), (14, 4607360), (16, 4031440), (20, 3225152), (23, 2804480), (28, 2303680), (32, 2015720), (35, 1842944), (40, 1612576), (46, 1402240), (56, 1151840), (64, 1007860), (70, 921472), (80, 806288), (92, 701120), (112, 575920), (115, 560896), (128, 503930), (140, 460736), (160, 403144), (161, 400640), (184, 350560), (224, 287960), (230, 280448), (256, 251965), (280, 230368), (313, 206080), (320, 201572), (322, 200320), (368, 175280), (448, 143980), (460, 140224), (560, 115184), (626, 103040), (640, 100786), (644, 100160), (736, 87640), (805, 80128), (896, 71990), (920, 70112), (1120, 57592), (1252, 51520), (1280, 50393), (1288, 50080), (1472, 43820), (1565, 41216), (1610, 40064), (1792, 35995), (1840, 35056), (2191, 29440), (2240, 28796), (2504, 25760), (2576, 25040), (2944, 21910), (3130, 20608), (3220, 20032), (3680, 17528), (4382, 14720), (4480, 14398), (5008, 12880), (5152, 12520), (5888, 10955), (6260, 10304), (6440, 10016), (7199, 8960), (7360, 8764)]