80456220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 274995840

約数和(自身を除く): 194539620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 73, 78, 90, 108, 117, 130, 135, 146, 156, 157, 180, 195, 219, 234, 260, 270, 292, 314, 351, 365, 390, 438, 468, 471, 540, 585, 628, 657, 702, 730, 780, 785, 876, 942, 949, 1095, 1170, 1314, 1404, 1413, 1460, 1570, 1755, 1884, 1898, 1971, 2041, 2190, 2340, 2355, 2628, 2826, 2847, 3140, 3285, 3510, 3796, 3942, 4082, 4239, 4380, 4710, 4745, 5652, 5694, 6123, 6570, 7020, 7065, 7884, 8164, 8478, 8541, 9420, 9490, 9855, 10205, 11388, 11461, 12246, 13140, 14130, 14235, 16956, 17082, 18369, 18980, 19710, 20410, 21195, 22922, 24492, 25623, 28260, 28470, 30615, 34164, 34383, 36738, 39420, 40820, 42390, 42705, 45844, 51246, 55107, 56940, 57305, 61230, 68766, 73476, 84780, 85410, 91845, 102492, 103149, 110214, 114610, 122460, 128115, 137532, 148993, 170820, 171915, 183690, 206298, 220428, 229220, 256230, 275535, 297986, 309447, 343830, 367380, 412596, 446979, 512460, 515745, 551070, 595972, 618894, 687660, 744965, 893958, 1031490, 1102140, 1237788, 1340937, 1489930, 1547235, 1787916, 2062980, 2234895, 2681874, 2979860, 3094470, 4022811, 4469790, 5363748, 6188940, 6704685, 8045622, 8939580, 13409370, 16091244, 20114055, 26818740, 40228110, 80456220]

約数ペア:

[(1, 80456220), (2, 40228110), (3, 26818740), (4, 20114055), (5, 16091244), (6, 13409370), (9, 8939580), (10, 8045622), (12, 6704685), (13, 6188940), (15, 5363748), (18, 4469790), (20, 4022811), (26, 3094470), (27, 2979860), (30, 2681874), (36, 2234895), (39, 2062980), (45, 1787916), (52, 1547235), (54, 1489930), (60, 1340937), (65, 1237788), (73, 1102140), (78, 1031490), (90, 893958), (108, 744965), (117, 687660), (130, 618894), (135, 595972), (146, 551070), (156, 515745), (157, 512460), (180, 446979), (195, 412596), (219, 367380), (234, 343830), (260, 309447), (270, 297986), (292, 275535), (314, 256230), (351, 229220), (365, 220428), (390, 206298), (438, 183690), (468, 171915), (471, 170820), (540, 148993), (585, 137532), (628, 128115), (657, 122460), (702, 114610), (730, 110214), (780, 103149), (785, 102492), (876, 91845), (942, 85410), (949, 84780), (1095, 73476), (1170, 68766), (1314, 61230), (1404, 57305), (1413, 56940), (1460, 55107), (1570, 51246), (1755, 45844), (1884, 42705), (1898, 42390), (1971, 40820), (2041, 39420), (2190, 36738), (2340, 34383), (2355, 34164), (2628, 30615), (2826, 28470), (2847, 28260), (3140, 25623), (3285, 24492), (3510, 22922), (3796, 21195), (3942, 20410), (4082, 19710), (4239, 18980), (4380, 18369), (4710, 17082), (4745, 16956), (5652, 14235), (5694, 14130), (6123, 13140), (6570, 12246), (7020, 11461), (7065, 11388), (7884, 10205), (8164, 9855), (8478, 9490), (8541, 9420)]