219741480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12457}}^1$

素因数の和:12488

約数の個数: 144

約数和(自身を含む): 830824020

約数和(自身を除く): 611082540

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, 12457, 17640, 24914, 37371, 49828, 62285, 74742, 87199, 99656, 112113, 124570, 149484, 174398, 186855, 224226, 249140, 261597, 298968, 348796, 373710, 435995, 448452, 498280, 523194, 560565, 610393, 697592, 747420, 784791, 871990, 896904, 1046388, 1121130, 1220786, 1307985, 1494840, 1569582, 1743980, 1831179, 2092776, 2242260, 2441572, 2615970, 3051965, 3139164, 3487960, 3662358, 3923955, 4484520, 4883144, 5231940, 5493537, 6103930, 6278328, 7324716, 7847910, 9155895, 10463880, 10987074, 12207860, 14649432, 15695820, 18311790, 21974148, 24415720, 27467685, 31391640, 36623580, 43948296, 54935370, 73247160, 109870740, 219741480]

約数ペア:

[(1, 219741480), (2, 109870740), (3, 73247160), (4, 54935370), (5, 43948296), (6, 36623580), (7, 31391640), (8, 27467685), (9, 24415720), (10, 21974148), (12, 18311790), (14, 15695820), (15, 14649432), (18, 12207860), (20, 10987074), (21, 10463880), (24, 9155895), (28, 7847910), (30, 7324716), (35, 6278328), (36, 6103930), (40, 5493537), (42, 5231940), (45, 4883144), (49, 4484520), (56, 3923955), (60, 3662358), (63, 3487960), (70, 3139164), (72, 3051965), (84, 2615970), (90, 2441572), (98, 2242260), (105, 2092776), (120, 1831179), (126, 1743980), (140, 1569582), (147, 1494840), (168, 1307985), (180, 1220786), (196, 1121130), (210, 1046388), (245, 896904), (252, 871990), (280, 784791), (294, 747420), (315, 697592), (360, 610393), (392, 560565), (420, 523194), (441, 498280), (490, 448452), (504, 435995), (588, 373710), (630, 348796), (735, 298968), (840, 261597), (882, 249140), (980, 224226), (1176, 186855), (1260, 174398), (1470, 149484), (1764, 124570), (1960, 112113), (2205, 99656), (2520, 87199), (2940, 74742), (3528, 62285), (4410, 49828), (5880, 37371), (8820, 24914), (12457, 17640)]