90651280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2593}}^1$

素因数の和:2648

約数の個数: 80

約数和(自身を含む): 231592320

約数和(自身を除く): 140941040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 2593, 3496, 4370, 5186, 6992, 8740, 10372, 12965, 17480, 20744, 25930, 34960, 41488, 49267, 51860, 59639, 98534, 103720, 119278, 197068, 207440, 238556, 246335, 298195, 394136, 477112, 492670, 596390, 788272, 954224, 985340, 1133141, 1192780, 1970680, 2266282, 2385560, 3941360, 4532564, 4771120, 5665705, 9065128, 11331410, 18130256, 22662820, 45325640, 90651280]

約数ペア:

[(1, 90651280), (2, 45325640), (4, 22662820), (5, 18130256), (8, 11331410), (10, 9065128), (16, 5665705), (19, 4771120), (20, 4532564), (23, 3941360), (38, 2385560), (40, 2266282), (46, 1970680), (76, 1192780), (80, 1133141), (92, 985340), (95, 954224), (115, 788272), (152, 596390), (184, 492670), (190, 477112), (230, 394136), (304, 298195), (368, 246335), (380, 238556), (437, 207440), (460, 197068), (760, 119278), (874, 103720), (920, 98534), (1520, 59639), (1748, 51860), (1840, 49267), (2185, 41488), (2593, 34960), (3496, 25930), (4370, 20744), (5186, 17480), (6992, 12965), (8740, 10372)]