1246293760

素因数分解:

$2^8\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2503}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 2994132960

約数和(自身を除く): 1747839200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 640, 778, 1280, 1556, 1945, 2503, 3112, 3890, 5006, 6224, 7780, 10012, 12448, 12515, 15560, 20024, 24896, 25030, 31120, 40048, 49792, 50060, 62240, 80096, 99584, 100120, 124480, 160192, 200240, 248960, 320384, 400480, 497920, 640768, 800960, 973667, 1601920, 1947334, 3203840, 3894668, 4868335, 7789336, 9736670, 15578672, 19473340, 31157344, 38946680, 62314688, 77893360, 124629376, 155786720, 249258752, 311573440, 623146880, 1246293760]

約数ペア:

[(1, 1246293760), (2, 623146880), (4, 311573440), (5, 249258752), (8, 155786720), (10, 124629376), (16, 77893360), (20, 62314688), (32, 38946680), (40, 31157344), (64, 19473340), (80, 15578672), (128, 9736670), (160, 7789336), (256, 4868335), (320, 3894668), (389, 3203840), (640, 1947334), (778, 1601920), (1280, 973667), (1556, 800960), (1945, 640768), (2503, 497920), (3112, 400480), (3890, 320384), (5006, 248960), (6224, 200240), (7780, 160192), (10012, 124480), (12448, 100120), (12515, 99584), (15560, 80096), (20024, 62240), (24896, 50060), (25030, 49792), (31120, 40048)]