308891440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 888800256

約数和(自身を除く): 579908816

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 67, 80, 88, 104, 110, 124, 130, 134, 143, 155, 169, 176, 208, 220, 248, 260, 268, 286, 310, 335, 338, 341, 403, 440, 496, 520, 536, 572, 620, 670, 676, 682, 715, 737, 806, 845, 871, 880, 1040, 1072, 1144, 1240, 1340, 1352, 1364, 1430, 1474, 1612, 1690, 1705, 1742, 1859, 2015, 2077, 2288, 2480, 2680, 2704, 2728, 2860, 2948, 3224, 3380, 3410, 3484, 3685, 3718, 4030, 4154, 4355, 4433, 5239, 5360, 5456, 5720, 5896, 6448, 6760, 6820, 6968, 7370, 7436, 8060, 8308, 8710, 8866, 9295, 9581, 10385, 10478, 11323, 11440, 11792, 13520, 13640, 13936, 14740, 14872, 16120, 16616, 17420, 17732, 18590, 19162, 20770, 20956, 22165, 22646, 22847, 26195, 27001, 27280, 29480, 29744, 32240, 33232, 34840, 35464, 37180, 38324, 41540, 41912, 44330, 45292, 45694, 47905, 52390, 54002, 56615, 57629, 58960, 69680, 70928, 74360, 76648, 83080, 83824, 88660, 90584, 91388, 95810, 104780, 108004, 113230, 114235, 115258, 124553, 135005, 148720, 153296, 166160, 177320, 181168, 182776, 191620, 209560, 216008, 226460, 228470, 230516, 249106, 270010, 288145, 297011, 351013, 354640, 365552, 383240, 419120, 432016, 452920, 456940, 461032, 498212, 540020, 576290, 594022, 622765, 702026, 766480, 905840, 913880, 922064, 996424, 1080040, 1152580, 1188044, 1245530, 1404052, 1485055, 1755065, 1827760, 1992848, 2160080, 2305160, 2376088, 2491060, 2808104, 2970110, 3510130, 3861143, 4610320, 4752176, 4982120, 5616208, 5940220, 7020260, 7722286, 9964240, 11880440, 14040520, 15444572, 19305715, 23760880, 28081040, 30889144, 38611430, 61778288, 77222860, 154445720, 308891440]

約数ペア:

[(1, 308891440), (2, 154445720), (4, 77222860), (5, 61778288), (8, 38611430), (10, 30889144), (11, 28081040), (13, 23760880), (16, 19305715), (20, 15444572), (22, 14040520), (26, 11880440), (31, 9964240), (40, 7722286), (44, 7020260), (52, 5940220), (55, 5616208), (62, 4982120), (65, 4752176), (67, 4610320), (80, 3861143), (88, 3510130), (104, 2970110), (110, 2808104), (124, 2491060), (130, 2376088), (134, 2305160), (143, 2160080), (155, 1992848), (169, 1827760), (176, 1755065), (208, 1485055), (220, 1404052), (248, 1245530), (260, 1188044), (268, 1152580), (286, 1080040), (310, 996424), (335, 922064), (338, 913880), (341, 905840), (403, 766480), (440, 702026), (496, 622765), (520, 594022), (536, 576290), (572, 540020), (620, 498212), (670, 461032), (676, 456940), (682, 452920), (715, 432016), (737, 419120), (806, 383240), (845, 365552), (871, 354640), (880, 351013), (1040, 297011), (1072, 288145), (1144, 270010), (1240, 249106), (1340, 230516), (1352, 228470), (1364, 226460), (1430, 216008), (1474, 209560), (1612, 191620), (1690, 182776), (1705, 181168), (1742, 177320), (1859, 166160), (2015, 153296), (2077, 148720), (2288, 135005), (2480, 124553), (2680, 115258), (2704, 114235), (2728, 113230), (2860, 108004), (2948, 104780), (3224, 95810), (3380, 91388), (3410, 90584), (3484, 88660), (3685, 83824), (3718, 83080), (4030, 76648), (4154, 74360), (4355, 70928), (4433, 69680), (5239, 58960), (5360, 57629), (5456, 56615), (5720, 54002), (5896, 52390), (6448, 47905), (6760, 45694), (6820, 45292), (6968, 44330), (7370, 41912), (7436, 41540), (8060, 38324), (8308, 37180), (8710, 35464), (8866, 34840), (9295, 33232), (9581, 32240), (10385, 29744), (10478, 29480), (11323, 27280), (11440, 27001), (11792, 26195), (13520, 22847), (13640, 22646), (13936, 22165), (14740, 20956), (14872, 20770), (16120, 19162), (16616, 18590), (17420, 17732)]