1255410720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28123}}^1$

素因数の和:28175

約数の個数: 144

約数和(自身を含む): 4422442752

約数和(自身を除く): 3167032032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 28123, 44640, 56246, 84369, 112492, 140615, 168738, 224984, 253107, 281230, 337476, 421845, 449968, 506214, 562460, 674952, 843690, 871813, 899936, 1012428, 1124920, 1265535, 1349904, 1687380, 1743626, 2024856, 2249840, 2531070, 2615439, 2699808, 3374760, 3487252, 4049712, 4359065, 4499680, 5062140, 5230878, 6749520, 6974504, 7846317, 8099424, 8718130, 10124280, 10461756, 13077195, 13499040, 13949008, 15692634, 17436260, 20248560, 20923512, 26154390, 27898016, 31385268, 34872520, 39231585, 40497120, 41847024, 52308780, 62770536, 69745040, 78463170, 83694048, 104617560, 125541072, 139490080, 156926340, 209235120, 251082144, 313852680, 418470240, 627705360, 1255410720]

約数ペア:

[(1, 1255410720), (2, 627705360), (3, 418470240), (4, 313852680), (5, 251082144), (6, 209235120), (8, 156926340), (9, 139490080), (10, 125541072), (12, 104617560), (15, 83694048), (16, 78463170), (18, 69745040), (20, 62770536), (24, 52308780), (30, 41847024), (31, 40497120), (32, 39231585), (36, 34872520), (40, 31385268), (45, 27898016), (48, 26154390), (60, 20923512), (62, 20248560), (72, 17436260), (80, 15692634), (90, 13949008), (93, 13499040), (96, 13077195), (120, 10461756), (124, 10124280), (144, 8718130), (155, 8099424), (160, 7846317), (180, 6974504), (186, 6749520), (240, 5230878), (248, 5062140), (279, 4499680), (288, 4359065), (310, 4049712), (360, 3487252), (372, 3374760), (465, 2699808), (480, 2615439), (496, 2531070), (558, 2249840), (620, 2024856), (720, 1743626), (744, 1687380), (930, 1349904), (992, 1265535), (1116, 1124920), (1240, 1012428), (1395, 899936), (1440, 871813), (1488, 843690), (1860, 674952), (2232, 562460), (2480, 506214), (2790, 449968), (2976, 421845), (3720, 337476), (4464, 281230), (4960, 253107), (5580, 224984), (7440, 168738), (8928, 140615), (11160, 112492), (14880, 84369), (22320, 56246), (28123, 44640)]