219635640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12451}}^1$

素因数の和:12482

約数の個数: 144

約数和(自身を含む): 830423880

約数和(自身を除く): 610788240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12451, 17640, 24902, 37353, 49804, 62255, 74706, 87157, 99608, 112059, 124510, 149412, 174314, 186765, 224118, 249020, 261471, 298824, 348628, 373530, 435785, 448236, 498040, 522942, 560295, 610099, 697256, 747060, 784413, 871570, 896472, 1045884, 1120590, 1220198, 1307355, 1494120, 1568826, 1743140, 1830297, 2091768, 2241180, 2440396, 2614710, 3050495, 3137652, 3486280, 3660594, 3922065, 4482360, 4880792, 5229420, 5490891, 6100990, 6275304, 7321188, 7844130, 9151485, 10458840, 10981782, 12201980, 14642376, 15688260, 18302970, 21963564, 24403960, 27454455, 31376520, 36605940, 43927128, 54908910, 73211880, 109817820, 219635640]

約数ペア:

[(1, 219635640), (2, 109817820), (3, 73211880), (4, 54908910), (5, 43927128), (6, 36605940), (7, 31376520), (8, 27454455), (9, 24403960), (10, 21963564), (12, 18302970), (14, 15688260), (15, 14642376), (18, 12201980), (20, 10981782), (21, 10458840), (24, 9151485), (28, 7844130), (30, 7321188), (35, 6275304), (36, 6100990), (40, 5490891), (42, 5229420), (45, 4880792), (49, 4482360), (56, 3922065), (60, 3660594), (63, 3486280), (70, 3137652), (72, 3050495), (84, 2614710), (90, 2440396), (98, 2241180), (105, 2091768), (120, 1830297), (126, 1743140), (140, 1568826), (147, 1494120), (168, 1307355), (180, 1220198), (196, 1120590), (210, 1045884), (245, 896472), (252, 871570), (280, 784413), (294, 747060), (315, 697256), (360, 610099), (392, 560295), (420, 522942), (441, 498040), (490, 448236), (504, 435785), (588, 373530), (630, 348628), (735, 298824), (840, 261471), (882, 249020), (980, 224118), (1176, 186765), (1260, 174314), (1470, 149412), (1764, 124510), (1960, 112059), (2205, 99608), (2520, 87157), (2940, 74706), (3528, 62255), (4410, 49804), (5880, 37353), (8820, 24902), (12451, 17640)]