15438240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 53778816

約数和(自身を除く): 38340576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 151, 160, 180, 213, 240, 284, 288, 302, 355, 360, 426, 453, 480, 568, 604, 639, 710, 720, 755, 852, 906, 1065, 1136, 1208, 1278, 1359, 1420, 1440, 1510, 1704, 1812, 2130, 2265, 2272, 2416, 2556, 2718, 2840, 3020, 3195, 3408, 3624, 4260, 4530, 4832, 5112, 5436, 5680, 6040, 6390, 6795, 6816, 7248, 8520, 9060, 10224, 10721, 10872, 11360, 12080, 12780, 13590, 14496, 17040, 18120, 20448, 21442, 21744, 24160, 25560, 27180, 32163, 34080, 36240, 42884, 43488, 51120, 53605, 54360, 64326, 72480, 85768, 96489, 102240, 107210, 108720, 128652, 160815, 171536, 192978, 214420, 217440, 257304, 321630, 343072, 385956, 428840, 482445, 514608, 643260, 771912, 857680, 964890, 1029216, 1286520, 1543824, 1715360, 1929780, 2573040, 3087648, 3859560, 5146080, 7719120, 15438240]

約数ペア:

[(1, 15438240), (2, 7719120), (3, 5146080), (4, 3859560), (5, 3087648), (6, 2573040), (8, 1929780), (9, 1715360), (10, 1543824), (12, 1286520), (15, 1029216), (16, 964890), (18, 857680), (20, 771912), (24, 643260), (30, 514608), (32, 482445), (36, 428840), (40, 385956), (45, 343072), (48, 321630), (60, 257304), (71, 217440), (72, 214420), (80, 192978), (90, 171536), (96, 160815), (120, 128652), (142, 108720), (144, 107210), (151, 102240), (160, 96489), (180, 85768), (213, 72480), (240, 64326), (284, 54360), (288, 53605), (302, 51120), (355, 43488), (360, 42884), (426, 36240), (453, 34080), (480, 32163), (568, 27180), (604, 25560), (639, 24160), (710, 21744), (720, 21442), (755, 20448), (852, 18120), (906, 17040), (1065, 14496), (1136, 13590), (1208, 12780), (1278, 12080), (1359, 11360), (1420, 10872), (1440, 10721), (1510, 10224), (1704, 9060), (1812, 8520), (2130, 7248), (2265, 6816), (2272, 6795), (2416, 6390), (2556, 6040), (2718, 5680), (2840, 5436), (3020, 5112), (3195, 4832), (3408, 4530), (3624, 4260)]