2165282840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 5691064320

約数和(自身を除く): 3525781480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 331, 383, 427, 488, 610, 662, 766, 854, 1220, 1324, 1532, 1655, 1708, 1915, 2135, 2317, 2440, 2648, 2681, 3064, 3310, 3416, 3830, 4270, 4634, 5362, 6620, 7660, 8540, 9268, 10724, 11585, 13240, 13405, 15320, 17080, 18536, 20191, 21448, 23170, 23363, 26810, 40382, 46340, 46726, 53620, 80764, 92680, 93452, 100955, 107240, 116815, 126773, 141337, 161528, 163541, 186904, 201910, 233630, 253546, 282674, 327082, 403820, 467260, 507092, 565348, 633865, 654164, 706685, 807640, 817705, 887411, 934520, 1014184, 1130696, 1267730, 1308328, 1413370, 1635410, 1774822, 2535460, 2826740, 3270820, 3549644, 4437055, 5070920, 5653480, 6541640, 7099288, 7733153, 8874110, 15466306, 17748220, 30932612, 35496440, 38665765, 54132071, 61865224, 77331530, 108264142, 154663060, 216528284, 270660355, 309326120, 433056568, 541320710, 1082641420, 2165282840]

約数ペア:

[(1, 2165282840), (2, 1082641420), (4, 541320710), (5, 433056568), (7, 309326120), (8, 270660355), (10, 216528284), (14, 154663060), (20, 108264142), (28, 77331530), (35, 61865224), (40, 54132071), (56, 38665765), (61, 35496440), (70, 30932612), (122, 17748220), (140, 15466306), (244, 8874110), (280, 7733153), (305, 7099288), (331, 6541640), (383, 5653480), (427, 5070920), (488, 4437055), (610, 3549644), (662, 3270820), (766, 2826740), (854, 2535460), (1220, 1774822), (1324, 1635410), (1532, 1413370), (1655, 1308328), (1708, 1267730), (1915, 1130696), (2135, 1014184), (2317, 934520), (2440, 887411), (2648, 817705), (2681, 807640), (3064, 706685), (3310, 654164), (3416, 633865), (3830, 565348), (4270, 507092), (4634, 467260), (5362, 403820), (6620, 327082), (7660, 282674), (8540, 253546), (9268, 233630), (10724, 201910), (11585, 186904), (13240, 163541), (13405, 161528), (15320, 141337), (17080, 126773), (18536, 116815), (20191, 107240), (21448, 100955), (23170, 93452), (23363, 92680), (26810, 80764), (40382, 53620), (46340, 46726)]