660789540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1058

約数の個数: 144

約数和(自身を含む): 2104921728

約数和(自身を除く): 1444132188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 193, 207, 230, 276, 345, 386, 414, 460, 579, 690, 772, 827, 828, 965, 1035, 1158, 1380, 1654, 1737, 1930, 2070, 2316, 2481, 2895, 3308, 3474, 3860, 4135, 4140, 4439, 4962, 5790, 6948, 7443, 8270, 8685, 8878, 9924, 11580, 12405, 13317, 14886, 16540, 17370, 17756, 19021, 22195, 24810, 26634, 29772, 34740, 37215, 38042, 39951, 44390, 49620, 53268, 57063, 66585, 74430, 76084, 79902, 88780, 95105, 114126, 133170, 148860, 159611, 159804, 171189, 190210, 199755, 228252, 266340, 285315, 319222, 342378, 380420, 399510, 478833, 570630, 638444, 684756, 798055, 799020, 855945, 957666, 1141260, 1436499, 1596110, 1711890, 1915332, 2394165, 2872998, 3192220, 3423780, 3671053, 4788330, 5745996, 7182495, 7342106, 9576660, 11013159, 14364990, 14684212, 18355265, 22026318, 28729980, 33039477, 36710530, 44052636, 55065795, 66078954, 73421060, 110131590, 132157908, 165197385, 220263180, 330394770, 660789540]

約数ペア:

[(1, 660789540), (2, 330394770), (3, 220263180), (4, 165197385), (5, 132157908), (6, 110131590), (9, 73421060), (10, 66078954), (12, 55065795), (15, 44052636), (18, 36710530), (20, 33039477), (23, 28729980), (30, 22026318), (36, 18355265), (45, 14684212), (46, 14364990), (60, 11013159), (69, 9576660), (90, 7342106), (92, 7182495), (115, 5745996), (138, 4788330), (180, 3671053), (193, 3423780), (207, 3192220), (230, 2872998), (276, 2394165), (345, 1915332), (386, 1711890), (414, 1596110), (460, 1436499), (579, 1141260), (690, 957666), (772, 855945), (827, 799020), (828, 798055), (965, 684756), (1035, 638444), (1158, 570630), (1380, 478833), (1654, 399510), (1737, 380420), (1930, 342378), (2070, 319222), (2316, 285315), (2481, 266340), (2895, 228252), (3308, 199755), (3474, 190210), (3860, 171189), (4135, 159804), (4140, 159611), (4439, 148860), (4962, 133170), (5790, 114126), (6948, 95105), (7443, 88780), (8270, 79902), (8685, 76084), (8878, 74430), (9924, 66585), (11580, 57063), (12405, 53268), (13317, 49620), (14886, 44390), (16540, 39951), (17370, 38042), (17756, 37215), (19021, 34740), (22195, 29772), (24810, 26634)]