440290080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 240

約数和(自身を含む): 1585644984

約数和(自身を除く): 1145354904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 72, 80, 81, 90, 96, 106, 108, 120, 135, 144, 159, 160, 162, 180, 212, 216, 240, 265, 270, 288, 318, 324, 360, 405, 424, 432, 477, 480, 530, 540, 636, 641, 648, 720, 795, 810, 848, 864, 954, 1060, 1080, 1272, 1282, 1296, 1431, 1440, 1590, 1620, 1696, 1908, 1923, 2120, 2160, 2385, 2544, 2564, 2592, 2862, 3180, 3205, 3240, 3816, 3846, 4240, 4293, 4320, 4770, 5088, 5128, 5724, 5769, 6360, 6410, 6480, 7155, 7632, 7692, 8480, 8586, 9540, 9615, 10256, 11448, 11538, 12720, 12820, 12960, 14310, 15264, 15384, 17172, 17307, 19080, 19230, 20512, 21465, 22896, 23076, 25440, 25640, 28620, 28845, 30768, 33973, 34344, 34614, 38160, 38460, 42930, 45792, 46152, 51280, 51921, 57240, 57690, 61536, 67946, 68688, 69228, 76320, 76920, 85860, 86535, 92304, 101919, 102560, 103842, 114480, 115380, 135892, 137376, 138456, 153840, 169865, 171720, 173070, 184608, 203838, 207684, 228960, 230760, 259605, 271784, 276912, 305757, 307680, 339730, 343440, 346140, 407676, 415368, 461520, 509595, 519210, 543568, 553824, 611514, 679460, 686880, 692280, 815352, 830736, 917271, 923040, 1019190, 1038420, 1087136, 1223028, 1358920, 1384560, 1528785, 1630704, 1661472, 1834542, 2038380, 2076840, 2446056, 2717840, 2751813, 2769120, 3057570, 3261408, 3669084, 4076760, 4153680, 4586355, 4892112, 5435680, 5503626, 6115140, 7338168, 8153520, 8307360, 9172710, 9784224, 11007252, 12230280, 13759065, 14676336, 16307040, 18345420, 22014504, 24460560, 27518130, 29352672, 36690840, 44029008, 48921120, 55036260, 73381680, 88058016, 110072520, 146763360, 220145040, 440290080]

約数ペア:

[(1, 440290080), (2, 220145040), (3, 146763360), (4, 110072520), (5, 88058016), (6, 73381680), (8, 55036260), (9, 48921120), (10, 44029008), (12, 36690840), (15, 29352672), (16, 27518130), (18, 24460560), (20, 22014504), (24, 18345420), (27, 16307040), (30, 14676336), (32, 13759065), (36, 12230280), (40, 11007252), (45, 9784224), (48, 9172710), (53, 8307360), (54, 8153520), (60, 7338168), (72, 6115140), (80, 5503626), (81, 5435680), (90, 4892112), (96, 4586355), (106, 4153680), (108, 4076760), (120, 3669084), (135, 3261408), (144, 3057570), (159, 2769120), (160, 2751813), (162, 2717840), (180, 2446056), (212, 2076840), (216, 2038380), (240, 1834542), (265, 1661472), (270, 1630704), (288, 1528785), (318, 1384560), (324, 1358920), (360, 1223028), (405, 1087136), (424, 1038420), (432, 1019190), (477, 923040), (480, 917271), (530, 830736), (540, 815352), (636, 692280), (641, 686880), (648, 679460), (720, 611514), (795, 553824), (810, 543568), (848, 519210), (864, 509595), (954, 461520), (1060, 415368), (1080, 407676), (1272, 346140), (1282, 343440), (1296, 339730), (1431, 307680), (1440, 305757), (1590, 276912), (1620, 271784), (1696, 259605), (1908, 230760), (1923, 228960), (2120, 207684), (2160, 203838), (2385, 184608), (2544, 173070), (2564, 171720), (2592, 169865), (2862, 153840), (3180, 138456), (3205, 137376), (3240, 135892), (3816, 115380), (3846, 114480), (4240, 103842), (4293, 102560), (4320, 101919), (4770, 92304), (5088, 86535), (5128, 85860), (5724, 76920), (5769, 76320), (6360, 69228), (6410, 68688), (6480, 67946), (7155, 61536), (7632, 57690), (7692, 57240), (8480, 51921), (8586, 51280), (9540, 46152), (9615, 45792), (10256, 42930), (11448, 38460), (11538, 38160), (12720, 34614), (12820, 34344), (12960, 33973), (14310, 30768), (15264, 28845), (15384, 28620), (17172, 25640), (17307, 25440), (19080, 23076), (19230, 22896), (20512, 21465)]