181440840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3623

約数の個数: 128

約数和(自身を含む): 632459520

約数和(自身を除く): 451018680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3541, 3660, 4270, 5124, 6405, 7082, 7320, 8540, 10248, 10623, 12810, 14164, 17080, 17705, 21246, 24787, 25620, 28328, 35410, 42492, 49574, 51240, 53115, 70820, 74361, 84984, 99148, 106230, 123935, 141640, 148722, 198296, 212460, 216001, 247870, 297444, 371805, 424920, 432002, 495740, 594888, 648003, 743610, 864004, 991480, 1080005, 1296006, 1487220, 1512007, 1728008, 2160010, 2592012, 2974440, 3024014, 3240015, 4320020, 4536021, 5184024, 6048028, 6480030, 7560035, 8640040, 9072042, 12096056, 12960060, 15120070, 18144084, 22680105, 25920120, 30240140, 36288168, 45360210, 60480280, 90720420, 181440840]

約数ペア:

[(1, 181440840), (2, 90720420), (3, 60480280), (4, 45360210), (5, 36288168), (6, 30240140), (7, 25920120), (8, 22680105), (10, 18144084), (12, 15120070), (14, 12960060), (15, 12096056), (20, 9072042), (21, 8640040), (24, 7560035), (28, 6480030), (30, 6048028), (35, 5184024), (40, 4536021), (42, 4320020), (56, 3240015), (60, 3024014), (61, 2974440), (70, 2592012), (84, 2160010), (105, 1728008), (120, 1512007), (122, 1487220), (140, 1296006), (168, 1080005), (183, 991480), (210, 864004), (244, 743610), (280, 648003), (305, 594888), (366, 495740), (420, 432002), (427, 424920), (488, 371805), (610, 297444), (732, 247870), (840, 216001), (854, 212460), (915, 198296), (1220, 148722), (1281, 141640), (1464, 123935), (1708, 106230), (1830, 99148), (2135, 84984), (2440, 74361), (2562, 70820), (3416, 53115), (3541, 51240), (3660, 49574), (4270, 42492), (5124, 35410), (6405, 28328), (7082, 25620), (7320, 24787), (8540, 21246), (10248, 17705), (10623, 17080), (12810, 14164)]