1229319720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8689}}^1$

素因数の和:8840

約数の個数: 128

約数和(自身を含む): 4129488000

約数和(自身を除く): 2900168280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 262, 270, 360, 393, 524, 540, 655, 786, 1048, 1080, 1179, 1310, 1572, 1965, 2358, 2620, 3144, 3537, 3930, 4716, 5240, 5895, 7074, 7860, 8689, 9432, 11790, 14148, 15720, 17378, 17685, 23580, 26067, 28296, 34756, 35370, 43445, 47160, 52134, 69512, 70740, 78201, 86890, 104268, 130335, 141480, 156402, 173780, 208536, 234603, 260670, 312804, 347560, 391005, 469206, 521340, 625608, 782010, 938412, 1042680, 1138259, 1173015, 1564020, 1876824, 2276518, 2346030, 3128040, 3414777, 4553036, 4692060, 5691295, 6829554, 9106072, 9384120, 10244331, 11382590, 13659108, 17073885, 20488662, 22765180, 27318216, 30732993, 34147770, 40977324, 45530360, 51221655, 61465986, 68295540, 81954648, 102443310, 122931972, 136591080, 153664965, 204886620, 245863944, 307329930, 409773240, 614659860, 1229319720]

約数ペア:

[(1, 1229319720), (2, 614659860), (3, 409773240), (4, 307329930), (5, 245863944), (6, 204886620), (8, 153664965), (9, 136591080), (10, 122931972), (12, 102443310), (15, 81954648), (18, 68295540), (20, 61465986), (24, 51221655), (27, 45530360), (30, 40977324), (36, 34147770), (40, 30732993), (45, 27318216), (54, 22765180), (60, 20488662), (72, 17073885), (90, 13659108), (108, 11382590), (120, 10244331), (131, 9384120), (135, 9106072), (180, 6829554), (216, 5691295), (262, 4692060), (270, 4553036), (360, 3414777), (393, 3128040), (524, 2346030), (540, 2276518), (655, 1876824), (786, 1564020), (1048, 1173015), (1080, 1138259), (1179, 1042680), (1310, 938412), (1572, 782010), (1965, 625608), (2358, 521340), (2620, 469206), (3144, 391005), (3537, 347560), (3930, 312804), (4716, 260670), (5240, 234603), (5895, 208536), (7074, 173780), (7860, 156402), (8689, 141480), (9432, 130335), (11790, 104268), (14148, 86890), (15720, 78201), (17378, 70740), (17685, 69512), (23580, 52134), (26067, 47160), (28296, 43445), (34756, 35370)]