131471640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 256

約数和(自身を含む): 475200000

約数和(自身を除く): 343728360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 43, 45, 54, 57, 60, 72, 76, 86, 90, 95, 108, 114, 120, 129, 135, 149, 152, 171, 172, 180, 190, 215, 216, 228, 258, 270, 285, 298, 342, 344, 360, 380, 387, 430, 447, 456, 513, 516, 540, 570, 596, 645, 684, 745, 760, 774, 817, 855, 860, 894, 1026, 1032, 1080, 1140, 1161, 1192, 1290, 1341, 1368, 1490, 1548, 1634, 1710, 1720, 1788, 1935, 2052, 2235, 2280, 2322, 2451, 2565, 2580, 2682, 2831, 2980, 3096, 3268, 3420, 3576, 3870, 4023, 4085, 4104, 4470, 4644, 4902, 5130, 5160, 5364, 5662, 5805, 5960, 6407, 6536, 6705, 6840, 7353, 7740, 8046, 8170, 8493, 8940, 9288, 9804, 10260, 10728, 11324, 11610, 12255, 12814, 13410, 14155, 14706, 15480, 16092, 16340, 16986, 17880, 19221, 19608, 20115, 20520, 22059, 22648, 23220, 24510, 25479, 25628, 26820, 28310, 29412, 32035, 32184, 32680, 33972, 36765, 38442, 40230, 42465, 44118, 46440, 49020, 50958, 51256, 53640, 56620, 57663, 58824, 64070, 67944, 73530, 76437, 76884, 80460, 84930, 88236, 96105, 98040, 101916, 110295, 113240, 115326, 121733, 127395, 128140, 147060, 152874, 153768, 160920, 169860, 172989, 176472, 192210, 203832, 220590, 230652, 243466, 254790, 256280, 288315, 294120, 305748, 339720, 345978, 365199, 382185, 384420, 441180, 461304, 486932, 509580, 576630, 608665, 611496, 691956, 730398, 764370, 768840, 864945, 882360, 973864, 1019160, 1095597, 1153260, 1217330, 1383912, 1460796, 1528740, 1729890, 1825995, 2191194, 2306520, 2434660, 2921592, 3057480, 3286791, 3459780, 3651990, 4382388, 4869320, 5477985, 6573582, 6919560, 7303980, 8764776, 10955970, 13147164, 14607960, 16433955, 21911940, 26294328, 32867910, 43823880, 65735820, 131471640]

約数ペア:

[(1, 131471640), (2, 65735820), (3, 43823880), (4, 32867910), (5, 26294328), (6, 21911940), (8, 16433955), (9, 14607960), (10, 13147164), (12, 10955970), (15, 8764776), (18, 7303980), (19, 6919560), (20, 6573582), (24, 5477985), (27, 4869320), (30, 4382388), (36, 3651990), (38, 3459780), (40, 3286791), (43, 3057480), (45, 2921592), (54, 2434660), (57, 2306520), (60, 2191194), (72, 1825995), (76, 1729890), (86, 1528740), (90, 1460796), (95, 1383912), (108, 1217330), (114, 1153260), (120, 1095597), (129, 1019160), (135, 973864), (149, 882360), (152, 864945), (171, 768840), (172, 764370), (180, 730398), (190, 691956), (215, 611496), (216, 608665), (228, 576630), (258, 509580), (270, 486932), (285, 461304), (298, 441180), (342, 384420), (344, 382185), (360, 365199), (380, 345978), (387, 339720), (430, 305748), (447, 294120), (456, 288315), (513, 256280), (516, 254790), (540, 243466), (570, 230652), (596, 220590), (645, 203832), (684, 192210), (745, 176472), (760, 172989), (774, 169860), (817, 160920), (855, 153768), (860, 152874), (894, 147060), (1026, 128140), (1032, 127395), (1080, 121733), (1140, 115326), (1161, 113240), (1192, 110295), (1290, 101916), (1341, 98040), (1368, 96105), (1490, 88236), (1548, 84930), (1634, 80460), (1710, 76884), (1720, 76437), (1788, 73530), (1935, 67944), (2052, 64070), (2235, 58824), (2280, 57663), (2322, 56620), (2451, 53640), (2565, 51256), (2580, 50958), (2682, 49020), (2831, 46440), (2980, 44118), (3096, 42465), (3268, 40230), (3420, 38442), (3576, 36765), (3870, 33972), (4023, 32680), (4085, 32184), (4104, 32035), (4470, 29412), (4644, 28310), (4902, 26820), (5130, 25628), (5160, 25479), (5364, 24510), (5662, 23220), (5805, 22648), (5960, 22059), (6407, 20520), (6536, 20115), (6705, 19608), (6840, 19221), (7353, 17880), (7740, 16986), (8046, 16340), (8170, 16092), (8493, 15480), (8940, 14706), (9288, 14155), (9804, 13410), (10260, 12814), (10728, 12255), (11324, 11610)]