1303269760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 3488289840

約数和(自身を除く): 2185020080

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, 163, 208, 248, 260, 310, 320, 326, 403, 416, 496, 520, 620, 640, 652, 806, 815, 832, 961, 992, 1040, 1240, 1304, 1612, 1630, 1664, 1922, 1984, 2015, 2080, 2119, 2480, 2608, 3224, 3260, 3844, 3968, 4030, 4160, 4238, 4805, 4960, 5053, 5216, 6448, 6520, 7688, 8060, 8320, 8476, 9610, 9920, 10106, 10432, 10595, 12493, 12896, 13040, 15376, 16120, 16952, 19220, 19840, 20212, 20864, 21190, 24986, 25265, 25792, 26080, 30752, 32240, 33904, 38440, 40424, 42380, 49972, 50530, 51584, 52160, 61504, 62465, 64480, 65689, 67808, 76880, 80848, 84760, 99944, 101060, 104320, 123008, 124930, 128960, 131378, 135616, 153760, 156643, 161696, 169520, 199888, 202120, 249860, 257920, 262756, 271232, 307520, 313286, 323392, 328445, 339040, 399776, 404240, 499720, 525512, 615040, 626572, 646784, 656890, 678080, 783215, 799552, 808480, 999440, 1051024, 1253144, 1313780, 1356160, 1566430, 1599104, 1616960, 1998880, 2036359, 2102048, 2506288, 2627560, 3132860, 3233920, 3997760, 4072718, 4204096, 5012576, 5255120, 6265720, 7995520, 8145436, 8408192, 10025152, 10181795, 10510240, 12531440, 16290872, 20050304, 20363590, 21020480, 25062880, 32581744, 40727180, 42040960, 50125760, 65163488, 81454360, 100251520, 130326976, 162908720, 260653952, 325817440, 651634880, 1303269760]

約数ペア:

[(1, 1303269760), (2, 651634880), (4, 325817440), (5, 260653952), (8, 162908720), (10, 130326976), (13, 100251520), (16, 81454360), (20, 65163488), (26, 50125760), (31, 42040960), (32, 40727180), (40, 32581744), (52, 25062880), (62, 21020480), (64, 20363590), (65, 20050304), (80, 16290872), (104, 12531440), (124, 10510240), (128, 10181795), (130, 10025152), (155, 8408192), (160, 8145436), (163, 7995520), (208, 6265720), (248, 5255120), (260, 5012576), (310, 4204096), (320, 4072718), (326, 3997760), (403, 3233920), (416, 3132860), (496, 2627560), (520, 2506288), (620, 2102048), (640, 2036359), (652, 1998880), (806, 1616960), (815, 1599104), (832, 1566430), (961, 1356160), (992, 1313780), (1040, 1253144), (1240, 1051024), (1304, 999440), (1612, 808480), (1630, 799552), (1664, 783215), (1922, 678080), (1984, 656890), (2015, 646784), (2080, 626572), (2119, 615040), (2480, 525512), (2608, 499720), (3224, 404240), (3260, 399776), (3844, 339040), (3968, 328445), (4030, 323392), (4160, 313286), (4238, 307520), (4805, 271232), (4960, 262756), (5053, 257920), (5216, 249860), (6448, 202120), (6520, 199888), (7688, 169520), (8060, 161696), (8320, 156643), (8476, 153760), (9610, 135616), (9920, 131378), (10106, 128960), (10432, 124930), (10595, 123008), (12493, 104320), (12896, 101060), (13040, 99944), (15376, 84760), (16120, 80848), (16952, 76880), (19220, 67808), (19840, 65689), (20212, 64480), (20864, 62465), (21190, 61504), (24986, 52160), (25265, 51584), (25792, 50530), (26080, 49972), (30752, 42380), (32240, 40424), (33904, 38440)]