290987520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{37889}}^1$

素因数の和:37915

約数の個数: 80

約数和(自身を含む): 930275280

約数和(自身を除く): 639287760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 37889, 75778, 113667, 151556, 189445, 227334, 303112, 378890, 454668, 568335, 606224, 757780, 909336, 1136670, 1212448, 1515560, 1818672, 2273340, 2424896, 3031120, 3637344, 4546680, 4849792, 6062240, 7274688, 9093360, 9699584, 12124480, 14549376, 18186720, 19399168, 24248960, 29098752, 36373440, 48497920, 58197504, 72746880, 96995840, 145493760, 290987520]

約数ペア:

[(1, 290987520), (2, 145493760), (3, 96995840), (4, 72746880), (5, 58197504), (6, 48497920), (8, 36373440), (10, 29098752), (12, 24248960), (15, 19399168), (16, 18186720), (20, 14549376), (24, 12124480), (30, 9699584), (32, 9093360), (40, 7274688), (48, 6062240), (60, 4849792), (64, 4546680), (80, 3637344), (96, 3031120), (120, 2424896), (128, 2273340), (160, 1818672), (192, 1515560), (240, 1212448), (256, 1136670), (320, 909336), (384, 757780), (480, 606224), (512, 568335), (640, 454668), (768, 378890), (960, 303112), (1280, 227334), (1536, 189445), (1920, 151556), (2560, 113667), (3840, 75778), (7680, 37889)]