212131140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 663292224

約数和(自身を除く): 451161084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 283, 310, 372, 390, 403, 465, 566, 620, 780, 806, 849, 930, 961, 1132, 1209, 1415, 1612, 1698, 1860, 1922, 2015, 2418, 2830, 2883, 3396, 3679, 3844, 4030, 4245, 4805, 4836, 5660, 5766, 6045, 7358, 8060, 8490, 8773, 9610, 11037, 11532, 12090, 12493, 14415, 14716, 16980, 17546, 18395, 19220, 22074, 24180, 24986, 26319, 28830, 35092, 36790, 37479, 43865, 44148, 49972, 52638, 55185, 57660, 62465, 73580, 74958, 87730, 105276, 110370, 114049, 124930, 131595, 149916, 175460, 187395, 220740, 228098, 249860, 263190, 271963, 342147, 374790, 456196, 526380, 543926, 570245, 684294, 749580, 815889, 1087852, 1140490, 1359815, 1368588, 1631778, 1710735, 2280980, 2719630, 3263556, 3421470, 3535519, 4079445, 5439260, 6842940, 7071038, 8158890, 10606557, 14142076, 16317780, 17677595, 21213114, 35355190, 42426228, 53032785, 70710380, 106065570, 212131140]

約数ペア:

[(1, 212131140), (2, 106065570), (3, 70710380), (4, 53032785), (5, 42426228), (6, 35355190), (10, 21213114), (12, 17677595), (13, 16317780), (15, 14142076), (20, 10606557), (26, 8158890), (30, 7071038), (31, 6842940), (39, 5439260), (52, 4079445), (60, 3535519), (62, 3421470), (65, 3263556), (78, 2719630), (93, 2280980), (124, 1710735), (130, 1631778), (155, 1368588), (156, 1359815), (186, 1140490), (195, 1087852), (260, 815889), (283, 749580), (310, 684294), (372, 570245), (390, 543926), (403, 526380), (465, 456196), (566, 374790), (620, 342147), (780, 271963), (806, 263190), (849, 249860), (930, 228098), (961, 220740), (1132, 187395), (1209, 175460), (1415, 149916), (1612, 131595), (1698, 124930), (1860, 114049), (1922, 110370), (2015, 105276), (2418, 87730), (2830, 74958), (2883, 73580), (3396, 62465), (3679, 57660), (3844, 55185), (4030, 52638), (4245, 49972), (4805, 44148), (4836, 43865), (5660, 37479), (5766, 36790), (6045, 35092), (7358, 28830), (8060, 26319), (8490, 24986), (8773, 24180), (9610, 22074), (11037, 19220), (11532, 18395), (12090, 17546), (12493, 16980), (14415, 14716)]