243218560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 256

約数和(自身を含む): 690923520

約数和(自身を除く): 447704960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 41, 46, 52, 62, 64, 65, 80, 82, 92, 104, 115, 124, 128, 130, 155, 160, 164, 184, 205, 208, 230, 248, 260, 299, 310, 320, 328, 368, 403, 410, 416, 460, 496, 520, 533, 598, 620, 640, 656, 713, 736, 806, 820, 832, 920, 943, 992, 1040, 1066, 1196, 1240, 1271, 1312, 1426, 1472, 1495, 1612, 1640, 1664, 1840, 1886, 1984, 2015, 2080, 2132, 2392, 2480, 2542, 2624, 2665, 2852, 2944, 2990, 3224, 3280, 3565, 3680, 3772, 3968, 4030, 4160, 4264, 4715, 4784, 4960, 5084, 5248, 5330, 5704, 5980, 6355, 6448, 6560, 7130, 7360, 7544, 8060, 8320, 8528, 9269, 9430, 9568, 9920, 10168, 10660, 11408, 11960, 12259, 12710, 12896, 13120, 14260, 14720, 15088, 16120, 16523, 17056, 18538, 18860, 19136, 19840, 20336, 21320, 22816, 23920, 24518, 25420, 25792, 26240, 28520, 29233, 30176, 32240, 33046, 34112, 37076, 37720, 38272, 40672, 42640, 45632, 46345, 47840, 49036, 50840, 51584, 57040, 58466, 60352, 61295, 64480, 66092, 68224, 74152, 75440, 81344, 82615, 85280, 91264, 92690, 95680, 98072, 101680, 114080, 116932, 120704, 122590, 128960, 132184, 146165, 148304, 150880, 162688, 165230, 170560, 185380, 191360, 196144, 203360, 228160, 233864, 245180, 257920, 264368, 292330, 296608, 301760, 330460, 341120, 370760, 380029, 392288, 406720, 456320, 467728, 490360, 528736, 584660, 593216, 603520, 660920, 741520, 760058, 784576, 813440, 935456, 980720, 1057472, 1169320, 1186432, 1321840, 1483040, 1520116, 1569152, 1870912, 1900145, 1961440, 2114944, 2338640, 2643680, 2966080, 3040232, 3741824, 3800290, 3922880, 4677280, 5287360, 5932160, 6080464, 7600580, 7845760, 9354560, 10574720, 12160928, 15201160, 18709120, 24321856, 30402320, 48643712, 60804640, 121609280, 243218560]

約数ペア:

[(1, 243218560), (2, 121609280), (4, 60804640), (5, 48643712), (8, 30402320), (10, 24321856), (13, 18709120), (16, 15201160), (20, 12160928), (23, 10574720), (26, 9354560), (31, 7845760), (32, 7600580), (40, 6080464), (41, 5932160), (46, 5287360), (52, 4677280), (62, 3922880), (64, 3800290), (65, 3741824), (80, 3040232), (82, 2966080), (92, 2643680), (104, 2338640), (115, 2114944), (124, 1961440), (128, 1900145), (130, 1870912), (155, 1569152), (160, 1520116), (164, 1483040), (184, 1321840), (205, 1186432), (208, 1169320), (230, 1057472), (248, 980720), (260, 935456), (299, 813440), (310, 784576), (320, 760058), (328, 741520), (368, 660920), (403, 603520), (410, 593216), (416, 584660), (460, 528736), (496, 490360), (520, 467728), (533, 456320), (598, 406720), (620, 392288), (640, 380029), (656, 370760), (713, 341120), (736, 330460), (806, 301760), (820, 296608), (832, 292330), (920, 264368), (943, 257920), (992, 245180), (1040, 233864), (1066, 228160), (1196, 203360), (1240, 196144), (1271, 191360), (1312, 185380), (1426, 170560), (1472, 165230), (1495, 162688), (1612, 150880), (1640, 148304), (1664, 146165), (1840, 132184), (1886, 128960), (1984, 122590), (2015, 120704), (2080, 116932), (2132, 114080), (2392, 101680), (2480, 98072), (2542, 95680), (2624, 92690), (2665, 91264), (2852, 85280), (2944, 82615), (2990, 81344), (3224, 75440), (3280, 74152), (3565, 68224), (3680, 66092), (3772, 64480), (3968, 61295), (4030, 60352), (4160, 58466), (4264, 57040), (4715, 51584), (4784, 50840), (4960, 49036), (5084, 47840), (5248, 46345), (5330, 45632), (5704, 42640), (5980, 40672), (6355, 38272), (6448, 37720), (6560, 37076), (7130, 34112), (7360, 33046), (7544, 32240), (8060, 30176), (8320, 29233), (8528, 28520), (9269, 26240), (9430, 25792), (9568, 25420), (9920, 24518), (10168, 23920), (10660, 22816), (11408, 21320), (11960, 20336), (12259, 19840), (12710, 19136), (12896, 18860), (13120, 18538), (14260, 17056), (14720, 16523), (15088, 16120)]