280497456

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:843

約数の個数: 120

約数和(自身を含む): 832855920

約数和(自身を除く): 552358464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 157, 171, 228, 304, 314, 342, 456, 471, 628, 653, 684, 912, 942, 1256, 1306, 1368, 1413, 1884, 1959, 2512, 2612, 2736, 2826, 2983, 3768, 3918, 5224, 5652, 5877, 5966, 7536, 7836, 8949, 10448, 11304, 11754, 11932, 12407, 15672, 17898, 22608, 23508, 23864, 24814, 26847, 31344, 35796, 37221, 47016, 47728, 49628, 53694, 71592, 74442, 94032, 99256, 102521, 107388, 111663, 143184, 148884, 198512, 205042, 214776, 223326, 297768, 307563, 410084, 429552, 446652, 595536, 615126, 820168, 893304, 922689, 1230252, 1640336, 1786608, 1845378, 1947899, 2460504, 3690756, 3895798, 4921008, 5843697, 7381512, 7791596, 11687394, 14763024, 15583192, 17531091, 23374788, 31166384, 35062182, 46749576, 70124364, 93499152, 140248728, 280497456]

約数ペア:

[(1, 280497456), (2, 140248728), (3, 93499152), (4, 70124364), (6, 46749576), (8, 35062182), (9, 31166384), (12, 23374788), (16, 17531091), (18, 15583192), (19, 14763024), (24, 11687394), (36, 7791596), (38, 7381512), (48, 5843697), (57, 4921008), (72, 3895798), (76, 3690756), (114, 2460504), (144, 1947899), (152, 1845378), (157, 1786608), (171, 1640336), (228, 1230252), (304, 922689), (314, 893304), (342, 820168), (456, 615126), (471, 595536), (628, 446652), (653, 429552), (684, 410084), (912, 307563), (942, 297768), (1256, 223326), (1306, 214776), (1368, 205042), (1413, 198512), (1884, 148884), (1959, 143184), (2512, 111663), (2612, 107388), (2736, 102521), (2826, 99256), (2983, 94032), (3768, 74442), (3918, 71592), (5224, 53694), (5652, 49628), (5877, 47728), (5966, 47016), (7536, 37221), (7836, 35796), (8949, 31344), (10448, 26847), (11304, 24814), (11754, 23864), (11932, 23508), (12407, 22608), (15672, 17898)]