440011520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 1173027072

約数和(自身を除く): 733015552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 853, 992, 1040, 1240, 1280, 1612, 1664, 1706, 1984, 2015, 2080, 2480, 3224, 3328, 3412, 3968, 4030, 4160, 4265, 4960, 6448, 6824, 7936, 8060, 8320, 8530, 9920, 11089, 12896, 13648, 16120, 16640, 17060, 19840, 22178, 25792, 26443, 27296, 32240, 34120, 39680, 44356, 51584, 52886, 54592, 55445, 64480, 68240, 88712, 103168, 105772, 109184, 110890, 128960, 132215, 136480, 177424, 211544, 218368, 221780, 257920, 264430, 272960, 343759, 354848, 423088, 443560, 515840, 528860, 545920, 687518, 709696, 846176, 887120, 1057720, 1091840, 1375036, 1419392, 1692352, 1718795, 1774240, 2115440, 2750072, 2838784, 3384704, 3437590, 3548480, 4230880, 5500144, 6769408, 6875180, 7096960, 8461760, 11000288, 13750360, 14193920, 16923520, 22000576, 27500720, 33847040, 44001152, 55001440, 88002304, 110002880, 220005760, 440011520]

約数ペア:

[(1, 440011520), (2, 220005760), (4, 110002880), (5, 88002304), (8, 55001440), (10, 44001152), (13, 33847040), (16, 27500720), (20, 22000576), (26, 16923520), (31, 14193920), (32, 13750360), (40, 11000288), (52, 8461760), (62, 7096960), (64, 6875180), (65, 6769408), (80, 5500144), (104, 4230880), (124, 3548480), (128, 3437590), (130, 3384704), (155, 2838784), (160, 2750072), (208, 2115440), (248, 1774240), (256, 1718795), (260, 1692352), (310, 1419392), (320, 1375036), (403, 1091840), (416, 1057720), (496, 887120), (520, 846176), (620, 709696), (640, 687518), (806, 545920), (832, 528860), (853, 515840), (992, 443560), (1040, 423088), (1240, 354848), (1280, 343759), (1612, 272960), (1664, 264430), (1706, 257920), (1984, 221780), (2015, 218368), (2080, 211544), (2480, 177424), (3224, 136480), (3328, 132215), (3412, 128960), (3968, 110890), (4030, 109184), (4160, 105772), (4265, 103168), (4960, 88712), (6448, 68240), (6824, 64480), (7936, 55445), (8060, 54592), (8320, 52886), (8530, 51584), (9920, 44356), (11089, 39680), (12896, 34120), (13648, 32240), (16120, 27296), (16640, 26443), (17060, 25792), (19840, 22178)]