219331980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 767807040

約数和(自身を除く): 548475060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 315, 327, 420, 436, 545, 630, 654, 763, 981, 1090, 1260, 1308, 1526, 1597, 1635, 1962, 2180, 2289, 3052, 3194, 3270, 3815, 3924, 4578, 4791, 4905, 6388, 6540, 6867, 7630, 7985, 9156, 9582, 9810, 11179, 11445, 13734, 14373, 15260, 15970, 19164, 19620, 22358, 22890, 23955, 27468, 28746, 31940, 33537, 34335, 44716, 45780, 47910, 55895, 57492, 67074, 68670, 71865, 95820, 100611, 111790, 134148, 137340, 143730, 167685, 174073, 201222, 223580, 287460, 335370, 348146, 402444, 503055, 522219, 670740, 696292, 870365, 1006110, 1044438, 1218511, 1566657, 1740730, 2012220, 2088876, 2437022, 2611095, 3133314, 3481460, 3655533, 4874044, 5222190, 6092555, 6266628, 7311066, 7833285, 10444380, 10966599, 12185110, 14622132, 15666570, 18277665, 21933198, 24370220, 31333140, 36555330, 43866396, 54832995, 73110660, 109665990, 219331980]

約数ペア:

[(1, 219331980), (2, 109665990), (3, 73110660), (4, 54832995), (5, 43866396), (6, 36555330), (7, 31333140), (9, 24370220), (10, 21933198), (12, 18277665), (14, 15666570), (15, 14622132), (18, 12185110), (20, 10966599), (21, 10444380), (28, 7833285), (30, 7311066), (35, 6266628), (36, 6092555), (42, 5222190), (45, 4874044), (60, 3655533), (63, 3481460), (70, 3133314), (84, 2611095), (90, 2437022), (105, 2088876), (109, 2012220), (126, 1740730), (140, 1566657), (180, 1218511), (210, 1044438), (218, 1006110), (252, 870365), (315, 696292), (327, 670740), (420, 522219), (436, 503055), (545, 402444), (630, 348146), (654, 335370), (763, 287460), (981, 223580), (1090, 201222), (1260, 174073), (1308, 167685), (1526, 143730), (1597, 137340), (1635, 134148), (1962, 111790), (2180, 100611), (2289, 95820), (3052, 71865), (3194, 68670), (3270, 67074), (3815, 57492), (3924, 55895), (4578, 47910), (4791, 45780), (4905, 44716), (6388, 34335), (6540, 33537), (6867, 31940), (7630, 28746), (7985, 27468), (9156, 23955), (9582, 22890), (9810, 22358), (11179, 19620), (11445, 19164), (13734, 15970), (14373, 15260)]